ac unit trips breaker after 5 minutes

AC Breaker Keeps Tripping Breaker: 9 Common Culprits & Fixes

“My AC keeps tripping the breaker. What’s wrong? How do I stop my AC from tripping the breaker?”

AC tripping the breaker is annoying. Even more troublesome, repeatedly trying to run an air conditioner that keeps tripping the breaker can result in permanent damage to the AC unit. So, easy on the breaker reset button ; you should diagnose and fix the problem first.

Here is what might be happening with your air conditioner:

• Air conditioner trips the breaker immediately . When you turn the AC unit, the breaker will flip immediately or only after a few seconds.
• AC trips breaker after 5 minutes or so. The AC starts OK, but after a few minutes, the breaker will trip. This, for example, is typical for the AC compressor tripping breaker (outside AC unit tripping breaker).
• AC trips breaker after a few hours . An air conditioner will work fine for several hours before it trips the breaker.

To help everybody out, we are going to look at how to check why the AC unit keeps tripping the breaker. We are going to check for 9 key culprits that cause the AC circuit breaker to keep tripping.

There are only two roots for why your AC keeps tripping:

• You have a faulty breaker . This involves issues with circuit breaker, AC wiring, and electrical short circuits.

As every HVAC professional does, you should check these culprits one by one, eliminating the causes as you go. Once you have correctly detected what is causing the AC breaker to keep tripping and fix the problem, your AC unit should work smoothly again.

Note: For every culprit, we are going to tell you if it causes the AC breaker to trip immediately, after a few minutes, or after a few hours, and explain why.

Here are the most common culprits (listed one by one) for any air conditioner type – be it central air, mini split, portable, or window air conditioner – to keep tripping the breaker. We are going to start with breaker-related issues (#1 to #3) and continue with AC unit-related issues (#4 to #9) :

Table of Contents

#1 Circuit Breaker Is Bad, Loose, Or Undersized (Causing AC To Trip Breaker Immediately)

If you are lucky, the AC breaker keeps tripping due to a bad breaker. This is one of the easiest problems to solve; problems with the AC unit itself are harder and costlier to fix.

It’s not uncommon to see a bad circuit breaker. Both new and old breakers can go bad due to wear-and-tear or acute amp surge that fries the breaker. Over time, even well-installed circuit breakers can come loose and cause all sorts of issues, including tripping unexpectedly.

In limited cases, we also see that homeowners have installed a circuit breaker that is just too small. Example: A 3-ton AC unit on 220V has a max. wattage of about 3,600 watts and requires a 25A or 30A breaker. You can check what size AC breaker you need here accounting for NEC 80% ampacity rule .

Dead giveaways of a bad breaker are:

• Breaker smells like something is burning.
• Breaker is hot to the touch.
• Breaker keeps tripping all the time.

Solution: First, you need to check if you have a bad breaker. Secondly, check if the breaker is loose; try to nudge it from left to right to set it back in the required position. Of course, you will also have to check the above article if indeed your breaker is big enough to handle all the amps that you need to run your AC unit.

If you have a bad breaker, you just simply replace it. Get a new one – circuit breakers are quite inexpensive – and be sure to check that it has the same ampacity as the old one. Everybody can DIY breaker replacement; you can consult this guide on how to replace a circuit breaker if you need some help.

Once you have a working breaker again, your AC should stop tripping it.

#2 Wrong AC Wiring (New Air Conditioners Trip Breaker Immediately)

Another possibility, especially for new air conditioners, is wrong wiring. If you have a newly wired thermostat or you have just replaced an old thermostat, chances are that not all wires are connected to the right sockets.

For air conditioners, you will have to connect:

• Blue or yellow wire is meant for cooling. These wires are connected to the Y terminal in a standard thermostat.
• Red fire for power, connected to R.
• Common wire (usually black) connected to C.

For more advice on how to wire a thermostat, you can consult the thermostat wiring guide here .

Wrong wiring will lead to the outside AC unit tripping breaker immediately (central aircon or mini splits). This is a standard AC compressor tripping issue; the compressor creates a surge of amps that can hit an undersized breaker if it’s wrongly wired.

Solution: Check that all the wires are in the right sockets. In limited cases, you will have to can an electrician to fix this, but most people can use the guide cited above to adequately wire a thermostat themselves.

#3 Electrical Short Circuit (Unsheathed Wires Touching)

Any short circuit can cause a spike in electrical current (amps) that will trip the breaker. In fact, one of the reasons why we use circuit breakers in the first place is to protect our circuits against short circuits.

In the case of wiring air conditioners, the short circuit happens when two exposed wired (unsheathed because the coating has been degrading for years) touch.

Example: Let’s say that the blue and red wire touch. This doesn’t happen if they are properly insulated. However, over time, insulation can decay. When this happens, the electrical current from two wires will travel along a single wire (the one with the least electric resistance, according to Ohm’s law). This will cause a spike in amps that can knock out the breaker.

Admittedly, it’s very difficult to tell if you are experiencing a short circuit. You do have to go to check all the wires to see if the insulation is damaged. This short circuit problem also causes the AC to trip break immediately, after 5 minutes, or even after 10 hours of running the AC unit. It is not time-specific which makes the detection even harder.

Solution: If you suspect that your AC unit tripping the breaker due to a short circuit, you can check the wires yourself or call an electrician. Once you find faulty wires that are causing the short circuit, you have to reapply the coating, or, in more cases, just replace the wire.

All of this, of course, is easier said than done.

Once you have eliminated the thermostat-related problems, you can start checking if there is something wrong with your air conditioner unit, resulting in the breaker tripping repeatedly:

#4 Dirty Condenser Coils (Causing Outside Air Conditioner Circuit Breaker To Trip)

A lot of AC tripping breaker problems are caused by the air conditioner overheating. One of the most common examples of this is the air conditioner circuit breakers outside to trip.

The outdoor condenser coils are exposed to the environment. That means that anything from dirt, leaves, dust, and grass, can find its way into the AC outdoor unit (you may even find a dead rat in there) . If this dirt accumulates on the fairly exposed condenser coils, you will have problems with the outdoor AC unit tripping breaker.

These condenser coils are basically superb heat exchangers . They expel all the heat that is generated in the refrigeration cycle. If these condenser coils are coated with dirt, for example, their ability to conduct heat is impeded. Obviously, if the coils can’t give away enough heat, the whole outdoor unit will get overheated.

And overheating leads to the AC tripping the breaker.

In this case, the AC breaker won’t turn trip immediately. It won’t even trip in 5 minutes or so. Dirty condenser coils are one of the most common reasons why the AC trips breaker after a few hours. The AC will overheat in time and that can take anywhere from some 10 minutes to several hours.

Solution: Clean the outdoor condenser coils. Open the outdoor unit and check if there is dirt coating on the coils. If there is, clean out the debris and spray them with detergent or coil cleaners. You can read how to clean the condenser coils on the Carrier website here .

After the outdoor coils are cleaned, they can adequately exchange heat again. That means that all the heat that has to be expelled via the coils will be released into the atmosphere again. As a result of the AC unit not overheating, you will no longer have a problem with AC breaker tripping.

#5 Dirty Air Filters (Restricted Airflow Results In Overheating And Trips Breaker)

Dirty air filters are another common culprit for an AC unit to trip breaker after a few hours.

We all know that every AC should have adequate airflow. If the filters are dirty, they restrict the airflow. This can cause a series of unwanted issues and will eventually lead to AC overheating. And, as we know, if the AC is overheating, it will inevitably trip a circuit breaker.

Everybody pretty much knows what to do with dirty air filters, right?

Solution: Clean or replace the air filters. This will again enable the AC unit to operate at sufficient airflow. The AC unit will not overheat. The AC breaker will not trip. It’s a pretty simple fix.

#6 Compressor Fails To Start (Or Hard-Starting Compressor)

Out of all the things that may go wrong, the compressor-related issues are the worst. When you have a faulty compressor, you will in almost all cases have to replace it. This replacement can be so costly that homeowners with older units usually just replace the whole air conditioning system.

Now, if you have a faulty compressor (the reason might also be a fault capacitor), you can expect two things to happen:

• Compressor doesn’t start at all. Regardless of this, the AC compressor can still trip the breaker. You will notice that in this case, the AC compressor trips the breaker immediately.
• Compressor starts slowly (usually takes a few seconds) . This is an indication of a faulty compressor and might lead to the AC compressor tripping the breaker after a few minutes.

The compressor – the main part of the AC – is responsible for compressing the refrigerant gas. If it doesn’t do its job, the AC unit might start overheating and blowing warm (instead of cold) air.

When the compressor doesn’t start at all, there is usually a spike in amps along the compressor wire to the breaker. This will trip the breaker immediately.

If you have a hard-starting compressor, the breaker won’t trip immediately. Nonetheless, such a compressor repeatedly can repeatedly send amp spikes towards the breaker in order to keep running. Eventually – usually in a few minutes or so – one of these amp spikes will overwhelm the circuit breaker and the breaker will flip.

Solution: This is a hard pill to swallow but you will probably have to replace the AC compressor. This is a complex replacement process you can’t do yourself; you will require an HVAC professional to do it for you.

You can, of course, take this ‘opportunity’ to replace the AC unit altogether. If your AC unit is past its prime (15+ years old), replacing the whole air conditioner makes sense in many cases.

#7 Compressor Is Grounded (Wires Touching The Sides)

Another problem a compressor might have – much less troublesome – is some wire displacements. Namely, the electrical wires that power the compressor are unsheathed and touching the compressor casing. It’s always best to check if everything is OK with the compressor wires.

Of course, if the wires touch the metal casing, all that electricity will go to the ground (we talk about the compressor being grounded). Inevitably, this will cause a spike in amps that will knock out the breaker.

Now, this may happen when you turn on the AC, after a few minutes, or even after several hours. The vibrations in the compressor pretty much displace one wire so much that it touches the casing, and that may happen immediately or even after some hours.

Solution: Check if all the wires that go in and out of the compressor still have their insulation coating on them. Also, check if the wires are neatly packed and away from the casing. If you find an exposed wire close to the casing, it’s very likely this is the wire that keeps tripping the AC breaker.

Use a plastic or nylon line to fix the wire in place, away from the casing. You can even replace that wire if you see that the insulation coating is severely damaged. After you do that, your breaker should stop tripping.

#8 Low Refrigerant Levels (Lines Leaking Freon)

All air conditioners work based on the refrigerant cycle. For this cycle to work properly, the lines have to be full of freon (refrigerant gas like R22, R410A, and so on). If you have a leak in the refrigerant lines, there will be less refrigerant within the lines which will lead to AC overheating and potentially tripping the breaker.

Example: If your window AC keeps tripping the breaker, the refrigerant leak could be the culprit.

Solution: You have to check if the refrigerant levels are indeed low by measuring the refrigerant pressure. If freon is indeed leaking out, you will first have to seal the leak and then recharge the AC unit.

In most cases, you will need professional help for this.

If you want to know how a professional refills the freon, you can consult this article about how to recharge a window air conditioner .

#9 Faulty Fan Motor (Leading To Overheating And Breaker Tripping)

In limited cases, we also see that a faulty fan motor is responsible for the outdoor AC unit tripping a breaker after a few hours.

The outdoor fan produces airflow that expels the heat into the environment (cooling the condenser coils). That fan is powered by the motor. If the motor doesn’t produce adequate power output, the fan doesn’t produce adequate airflow, and the outdoor AC cooling process is impeded.

This can lead to AC overheating and tripping the AC breaker. This happens when the AC is overheated enough; it takes a few hours (not on start-up or after a few minutes).

Solution: Check if the outdoor fan is spinning. If not, the problem might be a faulty fan motor. You will probably need to replace it. Before you do that, do check out all the reasons why outdoor AC is not spinning here . Namely, a faulty fan motor is not the only reason why the condenser fan is not spinning.

After you fix this and the fan is spinning again, there won’t be overheating, and the outdoor AC unit will stop tripping the breaker.

How To Call If You Need Professional Help?

As we have seen, both the diagnosis of why the AC keeps tripping the breaker as well as the fixes are not a piece of the case.

From checking the breaker to checking if something is wrong with your AC unit, there is quite a lot of knowledge (and experience) that guys fixing AC units should have.

This article was a general overview of the causes for AC to keep tripping the breaker. If, however, you realize you will a professional help, you can turn to your local HVAC companies.

We hope this helps somebody figure out why the AC keeps tripping the breaker and how to go about fixing it by themselves or with professional help.

Related posts:

• AC Making Noise: 5 Air Conditioner Noises + How To Fix Them
• Window Air Conditioner Freezing Up In Summer? Here’s What Is Wrong
• Thermostat Not Reaching Set Temperature: 7 Causes + Fixes
• How To Tell If AC Is Frozen? 3 Tell-Tale Signs (Ice On Evaporator Coils)
• How To Measure Superheat? Easy 10 Step-By-Step Guide

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13 Reasons Why Your AC Keeps Tripping Breaker (And Fixes)

Josh Mitchell

Expert Reviewed By

Last Updated On

December 23, 2023

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Key Takeaways

• An AC breaker can trip if it is overloaded with many appliances, if there is a short circuit in the unit, or if the breaker is not sized properly.
• Dirty and faulty components in an AC can often cause a breaker to trip frequently. It is also possible for a malfunctioning breaker to be the culprit.
• Electrical faults are very dangerous and you should not attempt to fix them yourself. Hence, always consult with an HVAC professional.

When the AC is tripping your electricity, it’s important to pay attention and quickly diagnose the problem.

As an experienced HVAC professional, I know all the common issues that can cause your AC system to trip the breaker.

I’ll share my knowledge and help you get your air conditioner running again quickly.

13 Common Reasons Why Your AC Trips The Circuit Breaker (Solutions Included)

AC electrical faults cause 86% of dangerous air conditioner fires[ 1 ], and circuit breakers help you stop that from happening - but only if you know why it’s happening and what to do next.

1. The Sizing Of The Breaker Is Improper

Circuit breakers are rated by amp s , determining the amount of current that can flow through without tripping the breaker.

The average home circuit breaker is 15-20 amps for the branch circuit , which is plenty for most home AC units, but larger air conditioning systems using too many amps can cause the circuit breaker to trip[ 2 ].

You can either:

• Move your air conditioning unit to a different place/room with a larger AC circuit breaker,
• Hire a professional to upgrade the breaker and accompanying wiring.

TL;DR:  If rated amps of a circuit breaker are lower than the rated amps of the AC, it will always trip.

2. You Are Overloading The Circuit

Each circuit breaker can only handle a certain amount of amps.

If you have other devices running through the same circuit breaker as your air conditioning system, it can o verload the AC circuit breaker and shut off your power.

Reroute other electrical devices so your AC unit can run through the breaker independently. You may need a professional to help.

TL;DR: A dedicated circuit is recommended for an AC. If too many appliances are connected to the AC circuit, it can get overloaded resulting in breaker tripping.

3. There Is A Short Circuit With The Electronic Components

ACs have internal electrical components that run continuously for hours.

Over time, the wires within the air conditioner can become damaged, leading to a ‘short’ (or short circuit)[ 3 ].

A 'short' means too much electricity is flowing through the wires and can cause overheating and fires.

The air conditioner circuit breaker will trip to shut off power and protect your home from danger.

You need to contact a professional to find the source of the short circuit and make appropriate repairs.

TL;DR: A short circuit is a very dangerous condition as it is a sign of damaged electrical components. Seek professional help if you suspect this is the case.

4. A Dirty Air Filter Heating Up Your AC

The air filter in your AC unit will get dirty over time as air flows through the machine (more so with an outdoor unit than an inside unit).

If the air filters become too dirty, they can reduce airflow and cause your air conditioner to overheat, as the electric motors must work harder.

Your air conditioner will try to draw more power to compensate for the poor airflow, tripping the breaker.

Change or clean the dirty air filter to stop your AC system from tripping the breaker.

You should be able to replace the air filter and perform regular maintenance yourself.

Important Note:

It is crucial to point out that you should avoid DIY maintenance if you have the slightest hint of doubt that things may go wrong. To avoid harming yourself or damaging your unit, always consider hiring professional help. 

5. Dirty Condenser Coils Can Also Heat Up Your AC

Your condenser coils absorb the heat from the air, but they can become blocked by dust or debris (particularly if you have a dirty outside unit).

The dirty coils can strain your air conditioning system, causing it to work harder and draw more electricity. 

They may lead to it tripping the breaker.

Cleaning dust and debris off the dirty condenser coils should stop the AC tripping.

You should also have an AC technician check and perform annual maintenance on your condenser.

TL;DR: Dirty filter and dirty condenser coils can heat up the internal components. Higher heat results in higher current draw resulting in your breaker tripping. Perform regular cleaning of these components.

6. Problem With Coil Fan Motor

Air conditioners use a coil fan (or AC blower) to move hot air over the condenser coil and disperse heat, leaving you with cold air.

Your coil fan can become damaged over time , and a broken coil fan can cause the AC to draw too much power, leading to the breaker tripping.

Hire a professional to perform AC repair work on the coil fan motor. It may need to be replaced to stop the breaker tripping.

TL;DR: A broken coil fan motor can draw more than its rated current, which in turn can trip the breaker.

7. Your Compressor Has Gone Bad

Your compressor houses the refrigerant that cools the air, but a faulty compressor won't cool the air.

Faults become more common as a compressor ages but can happen because of accidental damage.

A bad compressor can cause two issues:

• Hard starting.  Your faulty compressor won't start up properly and draws more power to try and compensate, causing it to trip its own breaker.
• Grounded compressor. The wires connected to the compressor come loose, leading to a short circuit and a tripped breaker.

A technician can install a hard start kit to try and get the compressor started.

However, a faulty compressor can mean costly repairs, and it's often best to replace the entire system rather than try to fix it.

TL;DR: If the compressor is hard starting or if it is grounded, then it will draw far more than its rated current.

8. Cables And Wires Wear And Tear

Your AC runs has wires running inside the whole unit connecting electrical components.

Over time, the wires and wire insulation can become loose or damaged.

Loose wires touching the ground, floor, or other components can cause further damage to the device and your home.

The circuit breaker trips as a safety measure to avoid an electrical short and prevent damage.

Some electrical wires can be an easy fix, but electrics can be dangerous.

Have an HVAC technician check the electrical panel of the unit, find the damage, and perform the AC repair safely.

A loose wire or a grounded wire is a dangerous safety hazard. You should avoid touching or going near the unit if you spot a loose connection.

9. Too Little Refrigerant

Refrigerant is the working fluid in an AC unit that cools the air.

The AC compressor has a closed system for the refrigerant, but over time, refrigerant lines can become damaged.

This damage can lead to refrigerant leaking out.

The AC compressor coils will have to work harder to cool the air if there's less refrigerant.

The unit draws more electricity to compensate, which trips the breaker.

Hire a professional to top up the refrigerant and seal the leak.

However, it may be cheaper to replace cheaper portable ACs than perform the repairs if it's out of warranty.

Refrigerant is a dangerous substance and can only be handled by professionals.[ 4 ]

TL;DR: Lower refrigerant means that the AC has to work harder in order to cool. This in turn means using up more amps to compensate. More amps = breaker tripping.

10. Frozen Evaporator Coil

Dirt, debris, and grime can build up on the evaporator coil, preventing heat from flowing and causing the coils to freeze.

The air conditioner will try to draw more energy to compensate for the frozen coils , but as it draws more amps, it can cause the breaker to trip.

You can fix this yourself by turning the power off and thawing out the compressor using a hair dryer.

Once dry, clean the evaporator coils to prevent them from malfunctioning and freezing over again.

If your air conditioner keeps tripping after this, contact a professional to determine the root cause.

11. It’s Too Hot Outside

Your air conditioner has to work harder in hot conditions to maintain the temperature, which can cause it to draw more electricity and strain the wiring.

It can also cause the breaker to trip to prevent overheating or fire hazards.

Clean the AC to keep the unit cool by improving airflow, and only use the air conditioner when needed.

If it keeps tripping the breaker, you may need to buy a new AC.

TL;DR: If the internal components are heating up due to very hot weather outside then this can lead to the breaker tripping to avoid fire hazards.

12. Failing Air Conditioning Capacitors

Your AC capacitor provides the initial jolt of electricity so it can start.

Capacitors wear out over time, and if you notice your AC has trouble starting or keeps tripping, the capacity may be failing.

Contact an HVAC professional to fix or replace the bad capacitor.

13. You Have A Defective Circuit Breaker

A circuit breaker can become defective through natural wear and tear, exposure to extreme temperatures, or by electrical faults tripping the breaker too frequently.

A defective breaker can trip your electricals every time you use your AC.

First, make sure the breaker is actually defective. 

Circuit breakers trip electrics and protect your home, a nd you should only replace them as a last resort.

If you don't resolve the issue, the new breaker will continue to trip.

Check the other common causes on the list or consult an HVAC technician to determine the issue. A professional will need to replace the circuit breaker.

TL;DR: If all else is fine, then the likely culprit is a defective breaker. Most homes have a spare breaker which you can switch your AC to. If not, then a breaker replacement will be necessary.

When To Call Professionals For Maintenance Or Repair

I recommend calling a professional to help with most air conditioning electrical problems because it can be dangerous.

Always consult a professional if you experience any of the following:

• 1 There is a burning smell from the breaker or AC: A burning smell indicates that your electrical wiring or AC breaker is overheating. It's a dangerous fire hazard, and you should shut off the air conditioner and contact an HVAC technician immediately.
• 2 There are crackling or electrical sounds from the breaker or AC: Strange noises from your inside unit usually indicate an electrical issue, loose wiring, or short-circuiting - often in the compressor motor. It is dangerous to fix yourself, and you need to contact an AC Tech professional to undertake air conditioning repair work.
• 3 You cannot point out where the issue lies: Your AC breaker trips the electrical supply for a reason, usually to protect you from serious danger. If your unit is tripping the AC breaker and you can't find the issue, you need to call an HVAC technician as soon as possible to diagnose the problem.

TL;DR: Electric works should always be carried out by professionals. However, some very alarming signs such as burning smell and crackling electrical sounds call for an immediate inspection. Shut off your home's main electric breaker if you experience these signs.

People Also Ask (FAQs)

What exactly is a circuit breaker in an air conditioner.

A circuit breaker in an air conditioner (or AC breaker) is an electrical safety device that stops power flowing if there's an overload, short circuit, or fault in the AC system. Tripping the circuit breaker helps to prevent electrical fires and protect the AC unit.

Why Does My AC Trip After 5 Minutes?

If your AC trips after 5 minutes, it's usually because an overloaded circuit or faulty component is drawing in too much current and tripping the circuit breaker. You should consult an electrician or HVAC professional who can help with AC repair so it doesn’t trip the breaker.

What Happens If You Trip a Breaker Too Many Times?

If your breaker trips too often, the internal trip mechanism can wear out, preventing it from working and leaving your home at risk of electrical fires. You should replace the AC's breaker if it's tripping frequently.

Should You Reset The Circuit Breaker If It Continues to Trip?

No, the circuit breaking tripping indicates an underlying electrical problem, and you should diagnose and resolve the problem before resetting it.

So, Did You Find Your Fix?

If your AC trips the breaker, it means there's a potentially hazardous electrical fault.

Cleaning and regular tune-ups of your air conditioner will help to prevent it from happening, but you will need to consult a professional if it keeps tripping your breaker .

Hopefully, this guide has helped to explain the common causes, and you now know why your AC keeps tripping the power.

References: 

• https://apps.usfa.fema.gov/downloads/pdf/statistics/v2i5-508.pdf
• https://www.wikihow.com/Determine-Amperage-of-Circuit-Breaker
• https://engineering.mit.edu/engage/ask-an-engineer/what-is-a-short-circuit/
• https://www.epa.gov/section608

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AC Trips Breaker After 5 Minutes? Here are the Reasons and the Solution!

Does your home’s air conditioner keep shutting off and the circuit breaker keeps tripping? This could be a signal for you to pay more attention to the AC unit. Especially when the AC trips breaker after 5 minutes, and this happens like a cycle every time you turn on the AC. Let’s figure out the reason and solution to this condition.

Why AC Trips Breaker After 5 Minutes?

There are some possibilities for why your AC compressor keeps tripping the breaker. Before you search for the solution, you need to know every reason that caused this condition. Here are some probable causes of AC circuit breaker tripping:

Read also: Portable Air Conditioner Compressor Keeps Shutting Off

• Clogged air filter because of dirt or dust.
• Dirty condenser coil .
• Power surge.
• Electrical component failure.
• Frozen evaporator coil .
• Fan motor malfunction.
• Fault on the compressor.
• Refrigerant leakage.

Check on your AC unit and find out what’s the main reason. When you know the reason, it will be easier for you to pick the right solution.

If your AC trips the breaker due to a power surge or a clogged air filter, you might be able to resolve the issue without needing to call a technician.

You can handle it by yourself and make sure that the AC will perform well.

All of the reasons mentioned before will make the machine unable to perform normally. That’s why you always need to check the AC unit regularly. The technician can check all of the components and tell you if there’s something wrong that causes the AC trip breaker after 5 minutes.  

What to Do When AC Breaker Switch Keeps Tripping

It would be better if you fixed the problem as fast as possible. Here are the steps by which you can make sure that the problem is not continuing. Please follow the rules below:

• Turn off the AC unit at the thermostatYouou can turn on the AC circuit breaker switch in the electrical panel.
• Please wait for 30 minutes when the air conditioner is off.
• Check the thermostat and make sure it’s off so your AC unit can reset the internal circuit breaker.
• 30 minutes later, you can set the AC to a cool stage.

If you’re lucky enough, these steps will fix your AC unit. The air conditioner will perform normally and won’t trip the circuit breaker again. But, sometimes people find their AC unit keeps tripping. If this happens, you can call the technician because they will give a permanent solution.

Allowing your AC unit to cool down for at least 5 minutes is crucial. This break is important before attempting any resets. This step is recommended before resetting any breakers. Also, it will increase the chances that the AC unit is totally fixed.

Portable AC Trips Breaker After 5 Minutes

What about portable AC? Nowadays, people like to use portable AC units because they seem easier to use and maintain. There is not much difference between the other AC units. You can follow the directions that were mentioned before to fix this problem.

Don’t forget to clean the air filter because the dirt or dust will increase the probability of circuit breaker tripping. Make sure you clean the filter and condenser carefully and remove all dust. It will help your AC perform better with a cooler temperature and make it stop tripping the circuit breaker.

The air conditioning unit kept tripping the circuit breaker, indicating a potential electrical short or other issues. You have to investigate it and if you found that the outdoor unit’s refrigerant lines were damaged and the air filters were extremely dirty, potentially causing short circuits.

A dirty air filter can cause the AC unit to overwork, leading to overheating. Regularly checking and cleaning the filter is a simple yet effective AC repair step. So you must quickly schedule maintenance for the AC system to prevent further damage and ensure that the electrical short was resolved.

If these steps don’t resolve the issue, it’s advisable to contact an AC technician. They can professionally clean the condenser coils and check if the compressor starts without tripping the breaker.

The technician will find the reason quickly and fix it professionally for you so the unit can perform well like before.

Related posts:

Why Does My AC Smell Burnt?

Where Is the Capacitor Located on an AC Unit? What to Know About Your Unit

Why Is My Portable Aircon Leaking Water: Possible Reasons and Solutions

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Why is My AC Tripping the Circuit Breaker?

October 04, 2021

Air conditioners are vital to Floridians, so it's no surprise that homeowners would be stressed if their AC suddenly started turning off.

If this is happening to you now, it’s likely a tripped circuit breaker. When your AC trips the circuit breaker after running for only a few minutes, your breaker cuts the power to the AC system.

Why is your AC tripping the circuit breaker? Many issues can be at play, but the primary 3 reasons include:

• An overloaded circuit
• A grounded compressor
• A faulty breaker

We’ll review how to reset your circuit breaker to see if that restores your AC’s power. If it doesn’t, we’ll dive into the potential problems related to a tripped circuit breaker and how to troubleshoot them.

Want a professional to identify and fix your AC’s tripped circuit breaker? Contact Advanced Air for an AC repair . We provide punctual and round-the-clock service .

Reset your circuit breaker

Reset your circuit breaker to see if it stops tripping

Before we look at what could be causing the frequent tripping, let's first try resetting the circuit breaker. You can do so by:

• Let the unit cool down for about 5 minutes. The Department of Energy recommends letting the unit rest before resetting any breakers.
• Turn off your thermostat.
• Locate your gray main circuit panel by checking your closets, garage, or basement. Make sure there's no water on the ground in the room with the panel. If there is, do NOT stand in the water while resetting the breaker.
• Find the AC switch. The breakers are typically labeled. If not, look for the switch that is either in a middle position or OFF. Some manufacturers have a visible color indicator that shows that a breaker has tripped.
• Push the switch OFF unless it's already OFF. If already OFF, skip to Step #6.
• Push the switch ON. You should feel a satisfying click into place.
• Wait for 30 seconds.
• Turn your AC back on to test.

If your AC immediately trips again, do NOT reset the breaker again until the cause is corrected. Multiple overcurrents, or surges of electricity, can damage your AC and even start a fire.

Read on to learn about the potential issues causing your AC to trip the circuit breaker.

Three main reasons behind your AC tripping the circuit breaker:

1. an overloaded circuit.

Circuit breakers shut off the flow of electricity whenever the number of amps (a unit of electrical current) exceeds its amp rating. For example, if the circuit breaker has a rating of 15 amps, it'll trip whenever 20 amps flow through the circuit.

So, whenever your AC is using too much energy, it's pulling in more amps than usual, causing a surge and your circuit breaker to trip.

Your air conditioner can use too much energy if:

The air filter is dirty:

An Advanced Air technician can help you replace your filter

Air conditioners need air to be flowing into the system to cool your home enough to meet your set temperature.

When air filters get clogged with debris and dirt, they block airflow from entering the system. Your AC now has to compensate by working harder and using more electricity to cool your home. The circuit breaker isn’t used to this amount of energy consumption and trips to protect your AC.

The condenser is dirty:

Our technicians can help clean your condenser

Your AC's outdoor unit is called the condenser. It plays an essential role in keeping your home cool by dumping the heat your indoor unit absorbs from your home's air outside.

When the condenser is dirty or blocked by bushes, your outdoor unit can no longer effectively transfer the heat outside, and your AC has to use more energy and take longer to cool your home. This increase in needed power trips the circuit breaker.

The condenser fan doesn't work correctly:

As we mentioned above, the condenser is your outdoor AC unit. The condenser's fan helps dissipate heat back outside. If you stand next to the condenser and can't hear the fan rumbling, it's likely broken.

When the fan’s motor is broken or worn out, the electricity from your AC system to the motor has nowhere to go and is flowing freely. Your AC will automatically detect this issue and trip your circuit breaker to prevent the wires from frying and damaging your system or home.

The refrigerant is leaking:

What is refrigerant? It's a cold substance in your AC that helps the indoor unit absorb heat from the air. Leaking refrigerant means your AC can't cool your home as effectively due to reduced heat absorption abilities, forcing it to use more power and tripping the breaker due to overload.

How do you know you have a refrigerant leak? You can tell when:

• You see ice forming on the condenser
• You hear hissing or bubbling noises coming from your inside AC unit
• You have higher than normal monthly energy bills

Advanced Air technicians can diagnose the problem behind your circuit tripping

If you suspect your breaker keeps tripping because of any of these reasons, try changing out your air filter monthly and booking an appointment with an AC technician to clean the condenser. Also, make sure to check your condenser's fan and inspect the refrigerant lines.

2. A shorted compressor

Typically, electricity flows in a loop called a circuit. When a compressor "shorts," it's because a malfunction interrupts the loop, allowing too much electricity to flow through the circuit. The circuit breaker then trips to shut off electricity to prevent the overload from potentially causing a fire.

Most malfunctions are because of a winding, where electrical currents pass through inside the compressor, breaking and not being able to handle its load anymore. The additional electricity ignites the oil in the compressor, causing a sudden current surge that burns out the compressor and forces the circuit breaker to trip.

Unfortunately, a burned-out compressor most likely needs to be replaced because a functional compressor is vital as it pumps refrigerant throughout your system.

Replacing the compressor can be expensive if you don't have a valid warranty. If you have a valid warranty, financing options can help. Or, you might want to look into replacing your system entirely. You can use our handy AC installation cost calculator to see if a replacement would be more cost-effective than replacing your compressor.

3. A faulty breaker

A damaged circuit breaker

Your circuit breaker may keep tripping because of an issue with the breaker itself.

To determine if the breaker is damaged, find your home's main circuit panel and look for indicators that you have a faulty breaker, such as:

• The breaker is hot when you touch it
• You can smell a burning odor near the breaker
• You see loose connecting wires
• You see burn marks on the breaker
• You see obvious worn-out parts

If you notice any of the above indicators, you're dealing with a faulty breaker that needs professional replacement. Call a technician immediately.

Contact Advanced Air to stop your circuit breaker from tripping.

Advanced Air AC technicians are ready to help repair your AC

Advanced Air has been serving the Southwest Florida area for over 25 years, and our technicians are ready to help you get your AC back up and running the same day. Call us today at (888) 853-5143 or contact us by filling out the form below.

Not only do we provide prompt and reliable AC repairs , but we also back up our work with a 100% satisfaction guarantee .

• Air Conditioning

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AC Breaker Keeps Tripping? Here’s What You Need to Know for a Quick Fix

We know this can be a bothersome problem, but we’re here to help you get it sorted out quickly and easily. An AC breaker that trips often is usually caused by an issue with your circuit wiring or by a malfunctioning appliance.

Identifying the source of the issue before attempting any repairs is essential. Once you’ve identified the source of the problem, we’ll explain how to take care of it in just a few simple steps. If your AC breaker keeps tripping and you’re looking for a quick and easy fix, this article is for you!

What Is an AC Breaker?

An AC Breaker is a crucial safety feature in your home’s electrical systems that helps protect against overloads and short circuits. It works by breaking the circuit and cutting off electricity when it senses an overloaded or short-circuited wire.

You can find these devices in your main electrical panel, as well as individual outlets and switch boxes throughout your home – making sure that you and your family are always safe from harm.

The AC breaker consists of two parts: a circuit breaker switch and a trip indicator. The circuit breaker switch is responsible for cutting off power when it detects an overload or short circuit – this prevents further damage to your wiring and appliances.

The trip indicator shows whether the breaker has been tripped, allowing you to reset it if necessary.

Why Do AC Breakers Trip?

If your AC keeps tripping the breaker, the most common causes are either too much current being drawn from one circuit or a short circuit caused by faulty wiring or a damaged appliance.

If any of these conditions are present, it can cause the breaker to trip and shut off the power to that area of your home.

Other potential causes include a failed motor or compressor in your air conditioner or even dust accumulation on the breakers themselves.

What To Do When Your AC Breaker Trips

Is your AC tripping the breaker? It can be an annoying and inconvenient issue to deal with. But don’t panic – there are a few simple steps you can take to try and fix the problem.

Check your air conditioner’s filter. A clogged filter can cause the breaker to trip by overloading the circuit. Replace or clean it if needed.

Look for any signs of damage on the wiring leading up to the AC unit. If the wiring looks frayed or damaged in any way, call a licensed electrician for help as soon as possible.

If none of these solutions work, it might be time to upgrade your electrical panel or have an electrician install a higher-capacity breaker specifically designed for your air conditioning system. By taking these steps now, you can avoid costly repair bills down the road and get back to feeling comfortable in no time!

Common Causes of AC Breakers Tripping

There are many possible reasons why your AC unit keeps tripping the breaker. Below, we’ll take a look at some of the most common.

A Dirty Air Filter

One of the most common causes of an AC breaker tripping is a dirty air filter. When an air filter becomes clogged with debris, it can cause your system to work harder than it needs to and eventually trip the breaker.

You’ll want to ensure you regularly check and replace your air filters to keep them clean and functioning properly.

Dirty Condenser Coils

Another potential culprit for a tripped AC breaker is dirty condenser coils. These coils are responsible for releasing heat from the system, so if they become covered in dirt or other debris, they won’t function as efficiently and could potentially cause your breaker to trip.

Make sure you routinely inspect and clean your condenser coils for optimal performance. If your AC trips the breaker after 5 minutes of working, this is a possible cause.

Broken Coil Fan

A broken coil fan could also be causing your AC’s breaker to trip. The fan helps circulate cool air throughout the room, but when it stops working properly, this disruption can put a strain on the system and cause it to trip the breaker as a safety measure.

If you suspect that your coil fan may be malfunctioning, contact an HVAC technician right away so they can diagnose the issue and repair any damages quickly.

Problematic Compressor Start-up

One of the more common causes of an AC breaker tripping is a problematic compressor start-up. If your compressor is having trouble starting up, it can draw too much current and cause the breaker to trip. This problem is usually caused by faulty wiring or parts, such as a capacitor or motor winding.

Loose Wiring or Faulty Parts

Loose wiring or faulty parts are also frequent culprits behind AC breakers tripping. Loose connections can create dangerous arcs that will cause the breaker to trip.

Additionally, if some internal part in your AC unit has become damaged and isn’t working properly, it could also lead to an overload that trips the breaker.

Too Little Refrigerant

Another common reason for AC breakers tripping is too little refrigerant in the system. This can happen when there’s a leak in the system somewhere, which causes the refrigerant levels to drop below the required amount for your AC unit to work properly.

When this happens, your unit will have difficulty cooling down and not be able to handle large loads efficiently—causing it to trip its own breaker as a safety measure.

The Compressor Is Grounded

If your AC’s compressor is grounded, then it could be the cause of your breaker tripping. This can happen if a wire becomes loose or disconnected or if the wiring around the compressor has been damaged due to corrosion or wear and tear.

To check for this issue, you should inspect the wiring and connections around the compressor. If all looks okay, you’ll need to call in a professional to take a closer look.

The Evaporator Coil Is Frozen

Another common cause of an AC breaker tripping is a frozen evaporator coil . This occurs when air isn’t flowing properly through the unit, and as such, causes an overload on the system, which trips the breaker switch.

To fix this issue, you’ll need to clear any blockages from your AC vents so that airflow can be restored. You may also need to replace any broken parts inside your unit for optimal performance and safety.

The Circuit Breaker Is Faulty

If your AC circuit breaker keeps tripping, it’s possible that your circuit breaker itself is faulty and needs replacing in order for it to operate correctly again. A qualified electrician will be able to diagnose whether this is an issue by testing the circuit breaker for any signs of wear or damage.

If you do find yourself needing a new one, ensure to get one with an appropriate amperage rating that matches up with your home’s electrical system requirements!

While the steps listed above are excellent ways to identify why your AC breaker keeps tripping, we wouldn’t recommend working with electricity without some form of training. The problems are often relatively minor, but the risks involved when working with electricity simply aren’t worth it to save a few bucks.

The bottom line is that if your AC breaker keeps tripping, the best thing to do is to call a qualified AC technician for help. An experienced technician can diagnose why your AC breaker keeps tripping and then take steps to ensure it doesn’t happen again.

While it may seem like a hassle, having your AC breaker checked out by an expert can help you avoid costly repairs down the road. Safety should always come first when dealing with electricity – so don’t take any chances!

If you have an AC unit, you’ve probably wondered how long it will last. And why wouldn’t you? You’ve spent a lot of money on your unit.

When it comes to keeping your home comfortable, the choice between a heat pump and central air conditioning can feel like a crossroads. Each…

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Why is my AC’s circuit breaker tripping?

• August 16, 2023

The AC Therapist

Air conditioning is an essential comfort in many homes and businesses, especially during the hot summer months . But what happens when your AC’s circuit breaker keeps tripping? This can be a frustrating and concerning issue. Below, we’ll delve into the common reasons for this problem and what you can do to fix it.

1. Overloaded Circuit

A circuit breaker’s primary function is to prevent a circuit from overloading. When the electrical demand on a circuit exceeds its capacity, the circuit breaker trips to prevent potential damage or a fire.

• Why It Happens with ACs : Air conditioners draw a significant amount of power, especially when starting up. If other high-power devices are operating on the same circuit, it can lead to overloading. Sometimes if the compressor or fan motors are faulty they can trip the breaker.
• Solution : Ensure that your AC unit is on a dedicated circuit. Consult with a local HVAC contractor like The AC Therapist to make sure your system is correctly installed and properly balanced.

2. Short Circuit

A short circuit occurs when a ‘hot’ wire touches another hot wire or a ‘neutral’ wire within your system. This creates a sudden increase in current, causing the circuit breaker to trip.

• Why It Happens with ACs : Damaged wiring, improper installation, or wear and tear can lead to short circuits in your AC system.
• Solution : Call a professional to inspect and repair any damaged wiring.

3. Ground Fault

A ground fault is a specific type of short circuit where a hot wire touches a grounded portion of your system (like the metal box).

• Why It Happens with ACs : This can happen due to aging, moisture, or damaged insulation.
• Solution : Again, this requires professional inspection and repair.

4. Faulty Circuit Breaker

Sometimes, the issue is not with the AC system itself but with the circuit breaker.

• Why It Happens : Like any other component, circuit breakers can wear out and malfunction.
• Solution : If you suspect this is the case, contact an electrician to replace the circuit breaker.

5. Dirty or Clogged Filters and Coils

Believe it or not, a dirty AC system can cause the circuit breaker to trip.

• Why It Happens with ACs : Clogged filters and coils make the AC work harder, drawing more electricity and potentially overloading the circuit.
• Solution : Regular maintenance like filter changes and coil cleaning can prevent this issue. Consider a Therapy Maintenance Plan from The AC Therapist for regular servicing.

6. Incorrectly Sized AC Unit

An AC unit that’s too big or small for the space it’s cooling can cause problems.

• Why It Happens : An incorrectly sized unit may continuously cycle on and off, leading to undue stress on the system and tripping the circuit breaker.
• Solution : Consult with an HVAC professional to ensure that your AC unit is the right size for your space.

7. Refrigerant Leaks

A refrigerant leak can cause the compressor to overheat, leading to the circuit breaker tripping.

• Why It Happens : Over time, vibrations and wear can lead to leaks in the refrigerant lines.
• Solution : Regular inspections and prompt repair of leaks by a professional can prevent this issue.

What type of breakers do AC units use?

Air conditioning units typically utilize circuit breakers that are designed to handle the specific electrical requirements of the system. Here’s an overview of the types of breakers used:

1. Double-Pole Breakers (most common in Florida)

Many central AC systems require a 240-volt circuit, which is usually controlled by a double-pole circuit breaker . These breakers are designed to handle the higher power requirements of an AC unit, and they control both the hot wires in the circuit, ensuring that the entire circuit is shut off during an overload or short circuit.

2. Ground Fault Circuit Interrupter (GFCI) Breakers

While not commonly used for central AC units, GFCI breakers are sometimes found in mini-split systems or window units, especially in damp locations. These breakers provide protection against ground faults by rapidly cutting off the power when a leakage is detected.

3. Arc Fault Circuit Interrupter (AFCI) Breakers

These are designed to prevent electrical fires by detecting an unintended electrical arc and disconnecting the power before the arc starts a fire. Though not typically used solely for AC units, they may be part of a home’s overall electrical safety system.

5. Time Delay Breakers

Air conditioners often require a significant surge of power on startup. A time delay breaker  allows for a momentary spike in electrical demand (inrush current) without tripping. This type of breaker is particularly useful for systems with compressors and motors that have high startup power requirements.

Where is my AC circuit breaker located?

The location of your AC’s circuit breaker can vary depending on the design and layout of your home or commercial building. Here’s where you might find it:

1. Main Electrical Panel

Most often, the AC’s circuit breaker is located inside the main electrical panel or circuit breaker box. This panel is typically a metal box containing various circuit breakers for different parts of the building. It might be found in the following locations:

• Garage : Many homes have the main panel located in the garage.
• Basement : If you have a basement, the panel might be located there.
• Utility Room : Sometimes, the main panel is in a utility or mechanical room.
• Exterior Wall : In some cases, especially in warmer climates like Tampa Bay, the panel may be mounted on an exterior wall of the home or building.

2. Subpanel

In some larger homes or commercial buildings, there may be a subpanel that handles specific areas or appliances, including the air conditioning system. This subpanel would also contain the AC’s circuit breaker.

3. Disconnect Box Near the AC Unit

In addition to the breaker inside the main panel or subpanel, there might be a disconnect box or switch located near the outdoor AC unit . This is a safety feature that allows the power to the AC unit to be shut off without accessing the main panel, usually for maintenance or repair. This box may contain a circuit breaker or simply a pull-out disconnect.

Finding the Breaker

To find the specific breaker for the AC unit:

• Check the Labels : Inside the main panel or subpanel, there should be labels next to each breaker indicating what it controls. Look for the one labeled “AC” or “Air Conditioner.”
• Consult Your Home’s Electrical Diagram : If available, this diagram will show the location of all the breakers, including the one for the AC.
• Ask a Professional : If you are unable to locate the breaker, a local HVAC contractor or electrician, like The AC Therapist in the Tampa Bay area, can help you find it.

Knowing where your AC’s circuit breaker is located is essential for troubleshooting and maintenance. If you’re ever uncertain or uncomfortable locating or handling the breaker, don’t hesitate to reach out to a professional. Safety should always be your top priority, and a qualified technician will have the knowledge and tools needed to handle the situation properly.

How to reset an AC circuit breaker?

Resetting an AC circuit breaker is usually a straightforward task that can be done without professional assistance. However, it’s essential to follow safety guidelines and understand why the breaker tripped in the first place, as resetting a breaker without resolving the underlying issue could lead to more serious problems.

Here’s a step-by-step guide to resetting your AC circuit breaker:

1. Identify the Problem (If Possible)

• Try to determine why the breaker tripped. Was there a power surge? Is there an obvious issue with the AC unit, like strange noises or smells? If the underlying problem is unknown or complex, it might be best to call a professional HVAC contractor like The AC Therapist.

2. Turn Off the AC Unit

• Switch off the thermostat controlling the AC unit.

3. Find the Breaker

• Locate the main electrical panel or subpanel where the AC circuit breaker resides.
• If there is a separate disconnect box near the outdoor AC unit , make sure to check it as well.

4. Identify the Tripped Breaker

• Look for the breaker labeled “AC” or “Air Conditioner.”
• A tripped breaker usually sits in a position between “ON” and “OFF.” It may also show a red or different-colored indicator.

5. Reset the Breaker

• Carefully switch the breaker to the “OFF” position. You might feel some resistance.
• Now, turn it back to the “ON” position.
• If there is a separate disconnect near the AC unit, ensure that it’s also in the “ON” position.

6. Turn the AC Back On

• Switch the thermostat back to its cooling mode and monitor the AC unit to make sure it’s operating correctly.

7. Call a Professional if Needed

• If the breaker trips again or if you notice any unusual behavior from the AC unit, turn everything off and call a professional HVAC contractor like The AC Therapist.
• Continuously resetting the breaker without addressing the underlying issue could lead to damage or a fire.

Safety Precautions

• Do not touch the breaker with wet hands or stand on a wet surface.
• If you feel uncomfortable or uncertain, don’t hesitate to call a professional.

Resetting an AC circuit breaker is generally a simple task, but understanding why it tripped is crucial. If the cause isn’t apparent or the problem recurs, seeking professional help from an HVAC contractor is the safest course of action. Regular maintenance, like those included in the Therapy Maintenance Plans, can prevent many issues that may lead to a tripped breaker, ensuring your system runs smoothly.

How to change an AC circuit breaker?

Changing an AC circuit breaker is a more complex task that involves working with the electrical system. While it might seem like a doable DIY project for those with some electrical knowledge, it can be risky if you’re not careful. Here’s a general guide to changing an AC circuit breaker, but please note that it’s usually best to call a licensed electrician or a skilled HVAC contractor like The AC Therapist to handle this task.

• Turn Off the Main Power : Before doing anything, turn off the main power switch to the entire electrical panel to prevent electrical shock.
• Use Insulated Tools : If you must work on the electrical panel, use insulated tools designed for electrical work.
• Wear Safety Gear : Wear safety glasses, gloves, and other necessary protective gear.
• Avoid Wet Areas : Don’t work on an electrical panel if you’re standing on a wet surface or if your hands are wet.

Steps to Change an AC Circuit Breaker

• Identify the Breaker : Determine the correct circuit breaker that needs replacement. Note the brand, type, and specifications, including the amperage.
• Purchase the Right Replacement : Go to a hardware store and purchase the exact same type of breaker. If you’re unsure, consult with an HVAC professional.
• Turn Off the Main Power : This step is crucial for safety. Make sure to turn off the main power to the entire panel.
• Remove the Panel Cover : Carefully remove the screws holding the cover of the electrical panel and set it aside.
• Remove the Old Breaker : Carefully unclip or unsnap the old breaker from the panel. Disconnect the wire from the terminal by loosening the screw holding it.
• Install the New Breaker : Connect the wire to the terminal of the new breaker and tighten the screw. Then, snap or clip the new breaker into place in the panel.
• Replace the Panel Cover : Put the cover back on the panel and replace the screws.
• Turn the Power Back On : Turn on the main power switch and then turn on the new breaker.
• Test the System : Turn on the AC to make sure everything is working correctly.

While it’s technically possible to change an AC circuit breaker yourself, the potential risks involved in working with electrical systems generally make this a job best left to professionals. An improperly installed breaker can cause electrical shock, fire, or damage to your AC system. By hiring a professional HVAC contractor, you can ensure that the right breaker is used, the installation is done correctly, and your system complies with all relevant codes and regulations. If you’re in the Tampa Bay area, The AC Therapist is equipped to handle these kinds of tasks with the right expertise and care.

How much does it cost to replace your AC circuit breaker?

If you need to replace your AC circuit breaker, The AC Therapist, a local residential and light commercial HVAC contractor in the Tampa Bay area, charges a flat fee of $250 for this service. This cost includes both the breaker itself and the labor to install it, ensuring a professional and seamless replacement.

How do you test an AC circuit breaker?

Testing an AC circuit breaker is essential to ensure that it’s functioning properly and protecting your AC system from electrical overloads or shorts. Here’s a general guide on how to test an AC circuit breaker:

• Turn off the AC Unit : Before working on the breaker, make sure the AC unit is off.
• Use Insulated Tools : Always use insulated tools designed for working with electrical components.
• Avoid Wet Conditions : Do not attempt to test the breaker with wet hands or while standing on a wet surface.

Testing the AC Circuit Breaker

• Visual Inspection : First, look at the breaker to check for any obvious signs of damage, wear, or corrosion. A damaged breaker will likely need replacement.
• Use a Multimeter : A multimeter is an essential tool for testing the breaker. Set it to the voltage setting appropriate for your electrical system (usually 240V for a standard residential AC breaker).
• With the breaker in the “ON” position, place one probe on the terminal screw where the wire is connected, and the other probe on the ground or neutral bar inside the electrical panel.
• The reading should be close to the rated voltage for the breaker (e.g., 240V). If there’s no reading or a significantly lower reading, the breaker may be faulty.
• Turn off the breaker and disconnect the wire from the terminal screw.
• Turn the breaker back on, and test again between the terminal screw and the ground or neutral bar.
• If there’s no reading, the breaker itself is likely defective.
• Consider Professional Testing : If you’re unsure about the results or if the breaker seems faulty, it’s wise to call a professional HVAC contractor like The AC Therapist or a licensed electrician. They have specialized tools and knowledge to accurately assess the breaker’s condition.

Conclusion: Your Trusted Guide to AC Circuit Breakers

Your AC’s circuit breaker tripping is more than just an inconvenience; it could be a sign of a more severe underlying problem. From overloaded circuits and short circuits to dirty filters and incorrect sizing, several factors can contribute to this issue.

By understanding these common causes, you can take proactive measures to prevent them. Regular maintenance, professional inspections, and choosing the right service plan, like those offered by The AC Therapist in the Tampa Bay area, can keep your AC running smoothly and your home comfortable.

If you’re experiencing this issue, don’t hesitate to reach out to a professional HVAC contractor to diagnose and fix the problem. Regular maintenance, such as those provided in the Therapy Maintenance Plans, can also help in preventing such issues from arising in the first place. Remember, proper care and prompt attention to problems can prolong the life of your AC system and keep you cool all summer long.

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Smart AC Solutions

Talked About Air Conditioners

Why Is My Ac Breaker Tripping?

Your AC breaker may be tripping due to a variety of reasons, including a dirty air filter, a refrigerant leak, an electrical issue, a malfunctioning thermostat, or a problem with the compressor.

However, the most common reason for an air conditioner circuit breaker to trip is because the air conditioner is overloaded. This can happen if the air conditioner is too big for the space it’s cooling, or if there’s something blocking the airflow.

Page Contents

Why Does Air Conditioner Breaker Keep Tripping?

One of the most common reasons for an air conditioner breaker to trip is a dirty filter. When the filter gets clogged with dust and dirt, it puts strain on the motor which can cause it to overheat and trip the breaker. If this is the case, simply replacing the filter should fix the problem.

Another possibility is that there’s an issue with one of the electrical components in your AC unit. This could include a faulty capacitor or contactor. If you suspect there may be an electrical issue, it’s best to call in a professional for help.

Trying to fix it yourself could be dangerous if you’re not experienced in dealing with electrical issues.

How do I stop my AC from tripping the breaker?

If your air conditioner keeps tripping the breaker, there are a few things you can check yourself before calling a professional.

First, check to see if the breaker is properly sized for your AC unit. If it is too small, it will trip more easily. Second, check for any loose wires or other electrical problems that could be causing the breaker to trip.

Finally, make sure the AC unit is properly ventilated. If it is not, it can overheat and trip the breaker.

Why is my AC breaker popping?

Assuming you have a central air conditioning unit, there are several reasons why your AC breaker might be popping.

One reason might be that your AC unit is overloaded. This can happen if you have too many appliances plugged into the same circuit as your AC unit. To fix this, you can either unplug some of the appliances, or plug your AC unit into a different circuit.

Another reason might be that your AC unit is faulty. This could be due to a number of different issues, including a short circuit, a loose wire, or a problem with the compressor. If you think your AC unit is faulty, you should call a qualified technician to come and take a look.

Finally, if your AC unit is old, it may simply be that the breaker is worn out and needs to be replaced. This is a relatively easy fix – just replace the breaker with a new one. If your AC breaker keeps popping, it’s important to figure out the cause so that you can fix it. Otherwise, you run the risk of damaging your AC unit or causing a fire.

How do you know if your AC breaker is bad?

If your AC unit isn’t working, one possible reason is that the breaker is tripped. To reset the breaker, simply flip it to the “off” position and then back to “on.” If the breaker trips again, this is an indication that there is a problem with your AC unit and you should call a technician for further diagnosis.

Ac Trips Breaker Immediately

If your air conditioner trips your breaker immediately, there are a few things that could be causing the problem. The most likely culprit is a short circuit in the AC unit itself. This can be caused by a number of things, including a loose wire or a faulty component. If you suspect a short circuit, you should call an AC repair technician to come take a look. Another possibility is that your AC is simply overloaded. This can happen if it’s working harder than usual to cool your home, or if it’s been turned on after being off for a while. In this case, you’ll just need to give the unit some time to rest before turning it back on. If the problem persists, though, it’s worth calling an AC repair technician to take a look and see if there’s anything else going on.

Ac trips breaker after 5 minutes

If your air conditioner trips your breaker after just five minutes, there could be a few different issues at play. First, check to see if your unit is overloading the circuit. If your AC is the only thing on the circuit, and it’s tripping the breaker, then it’s likely that your unit is too powerful for the circuit it’s on. You’ll need to have an electrician rewire the circuit to a higher capacity, or move the AC to a different circuit. Another possibility is that there is a short circuit somewhere in the AC unit. This could be caused by a faulty wire or component. You’ll need to have an AC technician take a look at your unit to diagnose and repair the problem. Finally, it’s possible that the breaker itself is faulty. This is most likely if the breaker trips as soon as the AC is turned on, or if it trips regardless of what else is on the circuit. If you suspect the breaker is the problem, you’ll need to have an electrician replace it.

Ac breaker tripped and won’t reset

If your air conditioner’s circuit breaker has tripped and won’t reset, there are a few possible causes. The most common cause is a power surge or spike, which can overload the circuit and cause the breaker to trip. Other causes can include a short circuit, or a problem with the air conditioner itself. If you suspect a power surge or spike is the cause, unplug the air conditioner and check the circuit breaker. If it is still tripped, you may need to reset the breaker or have an electrician look at the system. When the breaker trips again, there may be a problem with the air conditioner itself and you should call a repair technician.

How to reset ac circuit breaker?

If your air conditioner keeps shutting off, it may be time to reset the circuit breaker. Circuit breakers are designed to trip when they sense an overload of electricity. This protects your air conditioner from damaging itself with too much power. To reset the circuit breaker, find the breaker box and flip the switch to the “off” position. Wait a few minutes, then flip it back to the “on” position. If the breaker trips again, it’s time to call a professional to help you troubleshoot the problem.

Ac compressor tripping after few seconds

If your AC compressor is tripping after just a few seconds of operation, there could be several reasons behind it. One possible cause is an electrical issue, such as an overloaded circuit breaker or a short circuit. To address this, it is recommended to contact a qualified electrician who can inspect and resolve the problem.

Another potential cause could be dirty condenser coils, which can impede airflow and cause the compressor to overheat. To rectify this, ensure that the coils are clean and free from debris. You can either use a coil cleaner or seek assistance from a professional HVAC technician to spotless them.

Low refrigerant levels can also lead to the compressor tripping. If the refrigerant levels are too low, it may indicate a leak in the system. To address this issue, it is best to contact a professional HVAC technician who can locate and repair the leak and then recharge the refrigerant to the appropriate levels.

A faulty capacitor is another possible culprit. The capacitor provides the initial power boost required to start the compressor. If it is defective or failing, it can cause the compressor to trip. A qualified technician can test the capacitor and replace it if necessary.

Finally, the compressor motor may be experiencing excessive load or mechanical issues, resulting in frequent tripping. This could be due to a faulty motor or compressor itself.

To diagnose and repair this problem, it is advisable to consult a professional HVAC technician who has the expertise and equipment to handle such issues safely.

Ac compressor tripping after few minutes

If your air conditioner’s compressor is tripping after only a few minutes, there are a few possible causes. The most likely culprit is a problem with the compressor itself. It could be overloading, or it could be faulty. If the compressor is the problem, you’ll need to have it repaired or replaced. Another possibility is that the problem is with the air conditioner’s electrical system. If the compressor is tripping the circuit breaker, there may be a problem with the wiring. It’s also possible that the air conditioner is drawing too much power, and the circuit breaker is tripping to prevent a fire. If you suspect that the electrical system is the problem, you should have it inspected by a qualified technician. Finally, it’s possible that the problem is with the air conditioner’s refrigerant levels.

If the compressor is tripping because the refrigerant levels are too low, you’ll need to have the air conditioner serviced to add more refrigerant. If your air conditioner’s compressor is tripping after only a few minutes, there are a few possible causes. The most likely culprit is a problem with the compressor itself. It could be overloading, or it could be faulty. If the compressor is the problem, you’ll need to have it repaired or replaced. Another possibility is that the problem is with the air conditioner’s electrical system.

Circuit breaker for air conditioner

If your air conditioner keeps tripping your circuit breaker, there are a few possible explanations. The most common cause is a problem with the air conditioner itself. If your air conditioner is old, it may be time for a replacement. Another possibility is that the air conditioner is overloaded and needs a bigger circuit breaker. If you have a newer air conditioner, the problem may be with your electrical wiring. If your circuit breaker is constantly tripping, you should have an electrician check your wiring to see if it is up to code. When your air conditioner is tripping your circuit breaker, don’t ignore the problem. It could be a simple fix, or it could be a sign of a more serious problem. Either way, it’s best to have a professional take a look to be safe.

Can a bad ac capacitor cause the breaker to trip?

If your air conditioner’s capacitor is bad, it can cause the breaker to trip. The capacitor is responsible for providing the electrical current that helps start up the compressor. If the capacitor is damaged, it can’t provide the necessary current, which can cause the breaker to trip.

Refrigeration compressor tripping breaker

If your refrigerator’s compressor is tripping your breaker, there are a few possible causes. The most common cause is a faulty compressor start capacitor. A start capacitor gives the compressor a boost of energy to start, and if it’s failing, the compressor can’t start properly. Another possibility is that the compressor itself is faulty. If the compressor is drawing too much power, it can trip the breaker. This is usually caused by a problem with the compressor’s internals, and will require a replacement. Finally, it’s possible that the breaker is simply too small for the refrigerator. If the fridge is new or has recently been upgraded, the breaker may not be able to handle the increased load. In this case, you’ll need to upgrade the breaker to a higher capacity.

Air conditioner circuit breaker outside

If your home doesn’t have central air conditioning, you may have an air conditioner circuit breaker outside. This circuit breaker controls the power to your air conditioner unit. If the circuit breaker trips, it will cut off power to your air conditioner unit. This can be a problem if the weather is hot and you need to cool down your home. To reset the circuit breaker, you’ll need to locate it first. It should be near your air conditioner unit. Once you’ve found it, flip the switch to the “off” position and then back to the “on” position. This should reset the circuit breaker and restore power to your air conditioner unit. If the circuit breaker trips again, it’s possible that there is a problem with your air conditioner unit. You may need to call a technician to come and take a look at it. In the meantime, you can try to cool your home down with fans.

Why Does My Air Conditioner Circuit Breaker Keep Tripping?

The most common reason for an AC breaker to trip is because it is overloaded. This means that there is too much current flowing through the breaker, and it trips to protect the circuit. Other reasons for an AC breaker to trip include a short circuit, a ground fault, or a faulty breaker.

Related Articles:

• Why Does My RV Ac Keep Tripping The Breaker?
• Why Does My Portable Air Conditioner Keep Tripping The Breaker?
• Window Air Conditioner Keeps Tripping Reset Button – What you do now?
• What Size Breaker Do I Need for Air Conditioner?

Micheal Shawn was a Co-worker and Engineer of a Gardening Tool manufacturing company since 2013 and a passionate researcher on Machinery goods. Depending on my research ability over the years I created the Smart AC Solutions for Web and do review articles regarding AC and related accessories.

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Why Is My Ac Breaker Tripping? Troubleshooting Tips And Solutions

Your AC breaker may be tripping due to a variety of reasons. Here are some common causes: 1. Overload: If your AC is drawing too much current, it can trip the breaker. 2. Short circuit: A short circuit in the AC unit’s wiring can also cause the breaker to trip. 3. Dirty air filter: A clogged air filter can overwork the AC, leading to breaker trips. 4. Faulty compressor: A malfunctioning compressor can cause electrical issues and trip the breaker. 5. Low refrigerant: Insufficient refrigerant levels can cause the AC to work harder and trip the breaker. It’s important to address the underlying issue to prevent further breaker trips. Consult a professional if needed.

Imagine this scenario: it’s the middle of a scorching summer day, and you’re seeking refuge in the cool oasis of your air-conditioned home. But just as you start to relax, you hear a sharp click, and suddenly, your AC shuts off.

Frustrated, you head to the electrical panel, only to find that the circuit breaker for your air conditioner has tripped yet again. What could be causing this recurring issue? And more importantly, how can you fix it without breaking the bank? If you’ve ever found yourself in this situation, you’re not alone.

AC breaker tripping is a common problem that homeowners and renters face, and it can be both perplexing and inconvenient. But fear not, because in this article, we will dive into the world of troubleshooting tips and solutions to help you understand why your AC breaker keeps tripping and how you can resolve the issue. In the following sections, we’ll explore the potential causes behind this frustrating problem, ranging from simple fixes to more complex electrical issues.

By the end, you’ll be equipped with the knowledge and confidence to tackle AC breaker tripping head-on, ensuring a comfortable and uninterrupted cooling experience throughout the summer. So let’s get started and uncover the secrets to keeping your AC breaker in check.

Table of Contents

I. Understanding the AC Breaker

A. introduction to the ac breaker.

Before we delve into the causes and solutions for AC breaker tripping, it’s essential to understand the role of the AC breaker in your home’s electrical system. The AC breaker, also known as the air conditioner circuit breaker, is a safety device that protects your AC system from electrical overloads and faults.

B. Importance of the AC breaker in protecting the system

The AC breaker plays a crucial role in safeguarding your air conditioner and preventing potential hazards. If there is an electrical fault or excessive current flow, the breaker will trip, cutting off power to the AC system and preventing further damage or potential fire hazards.

C. Explanation of how the AC breaker works

The AC breaker works based on the principle of thermal-magnetic tripping. It consists of a thermal component and a magnetic component. The thermal component detects excess heat due to overcurrent and trips the breaker, while the magnetic component detects sudden surge or short circuits and promptly trips to protect the system.

II. Common Causes of AC Breaker Tripping

A. electrical overload, 1. definition of electrical overload.

Electrical overload occurs when the electrical circuit is carrying more current than it can handle. It is often the result of connecting too many electrical devices or appliances to a single circuit.

2. Identification of signs of electrical overload

Signs of electrical overload may include flickering lights, buzzing sounds, frequently tripping breakers, or warm electrical outlets.

3. Solutions for preventing electrical overload

To prevent electrical overload, distribute the electrical load evenly across circuits, avoid using power strips or extension cords for high-power devices, and consider upgrading your electrical panel if necessary.

B. Short Circuit

1. definition of short circuit.

A short circuit occurs when a hot wire comes into direct contact with a neutral wire or a ground wire, causing a sudden surge of current and tripping the breaker.

2. Signs of a short circuit in the AC system

Signs of a short circuit may include sparks or smoke coming from outlets, a burning smell, or a breaker that tripped immediately after turning on the AC.

3. Steps to diagnose and fix a short circuit

To diagnose a short circuit, visually inspect the wiring for any signs of damage or exposed wires. If a short circuit is identified, it’s best to seek professional help to safely repair or replace the affected wiring.

C. Ground Fault

1. definition of ground fault.

A ground fault occurs when a hot wire comes into contact with a ground wire or a metal electrical box, diverting current away from its intended path and tripping the breaker.

2. Identifying signs of ground faults in the AC system

Signs of ground faults may include tingling sensations when touching appliances, shocks when touching metal parts, or breakers tripping when specific appliances are turned on.

3. Troubleshooting steps for resolving ground faults

To troubleshoot ground faults, inspect the AC system for damaged or exposed wiring and ensure all connections are secure. If the issue persists, it’s recommended to consult a professional electrician for further assistance.

D. Overheating

1. causes of ac overheating.

AC overheating can occur due to various reasons, including clogged air filters, dirty condenser coils, refrigerant leaks, or mechanical issues with the AC unit.

2. Signs of an overheated AC system

Signs of an overheated AC system may include inadequate cooling, unusual sounds, frozen coils, or a breaker that trips when the AC is running for an extended period.

3. Solutions for preventing AC overheating

To prevent AC overheating, ensure regular maintenance, clean or replace air filters regularly, clean condenser coils, and promptly address any mechanical issues or refrigerant leaks.

E. Faulty Breaker

1. indicators of a faulty ac breaker.

Indicators of a faulty AC breaker may include frequent tripping, the breaker not staying in the “on” position, or physical damage to the breaker.

2. Steps to test and replace a faulty breaker

To test a faulty breaker, you can use a multimeter to check for continuity. If the breaker is confirmed faulty, it’s crucial to seek professional assistance for replacement to ensure proper installation and safety.

3. Importance of professional assistance for breaker replacement

Replacing a breaker requires technical expertise to ensure compatibility and proper installation. It’s highly recommended to hire a licensed electrician to handle breaker replacements and avoid any potential hazards.

III. Troubleshooting AC Breaker Tripping

A. step-by-step guide to troubleshoot ac breaker tripping, 1. initial checks and observations.

Start troubleshooting by checking for any obvious signs of electrical issues, such as burning smells, unusual noises, or visible damage to the AC unit or wiring.

2. Isolating the issue

Next, turn off all the breakers except for the one that controls the AC. If the breaker trips immediately, it indicates a problem within the AC system. If it doesn’t trip, gradually turn on the other breakers to identify any conflicting circuits.

3. Narrowing down the possible causes

Inspect the AC unit, wiring, and electrical connections for any signs of damage, loose connections, or worn-out components. Pay attention to specific areas identified during the troubleshooting process.

4. Testing and inspecting components

Use a multimeter to test electrical components such as capacitors, contactors, and motors. Ensure proper voltage readings and check for any abnormalities or signs of failure.

B. DIY vs. Professional Assistance

1. when to attempt diy troubleshooting.

DIY troubleshooting is appropriate for simple tasks such as checking the air filter, cleaning the condenser coils, or resetting the breaker. However, exercise caution and prioritize safety when dealing with electrical components.

2. Risks of DIY repairs

DIY repairs without proper knowledge or training can lead to personal injury, further damage to the AC system, or compromised electrical safety. It’s crucial to know your limits and seek professional help when needed.

3. Benefits of hiring a professional technician

Hiring a professional technician offers several benefits, including expertise in diagnosing and resolving complex AC issues, ensuring compliance with safety regulations, and providing warranty coverage for repairs or replacements.

C. Preventive Maintenance

1. the importance of regular ac maintenance.

Regular AC maintenance is essential to prevent breakdowns, improve energy efficiency, prolong the lifespan of the unit, and detect potential issues before they escalate.

2. Key maintenance tasks to prevent breaker tripping

Key maintenance tasks include cleaning or replacing air filters, clearing debris around the outdoor unit, checking refrigerant levels, lubricating moving parts, and scheduling professional inspections.

3. Scheduling professional maintenance services

To ensure comprehensive maintenance, it’s advisable to schedule professional maintenance services at least once a year. Professional technicians can perform thorough inspections, tune-ups, and identify any underlying issues.

IV. Additional Considerations

A. upgrading electrical panel, 1. reasons for upgrading the electrical panel.

Upgrading the electrical panel may be necessary if the existing panel is outdated, unable to handle increased power demand, or experiencing frequent breaker tripping.

2. Benefits of an upgraded panel

An upgraded panel provides increased electrical capacity, improved safety features, compatibility with modern appliances, and a reduced risk of electrical issues or breaker tripping.

3. Professional installation guidance

Consulting a licensed electrician is essential for upgrading the electrical panel. They can assess your power requirements, recommend suitable options, and ensure proper installation and compliance with local electrical codes.

B. Safety Precautions

1. importance of electrical safety.

Electrical safety is paramount to prevent electrical shocks, fires, or injuries. Taking necessary precautions while dealing with the AC breaker or any electrical components is vital.

2. Safety measures to follow when dealing with the AC breaker

Some safety measures include turning off the main power before working on the breaker, using insulated tools, avoiding wet conditions, and wearing protective gear.

3. Electrical safety tips for homeowners

Homeowners can promote electrical safety by not overloading circuits, using surge protectors, regularly inspecting outlets and cords for damage, and keeping electrical equipment away from water sources.

C. Troubleshooting Tips for Specific Scenarios

1. ac breaker tripping during startup.

During AC startup, a momentary surge in current is normal. However, if the breaker trips repeatedly during startup, it may indicate issues with the compressor, motor, or wiring.

2. AC breaker tripping during high load conditions

If the breaker trips when the AC is running at full capacity, it suggests excessive electrical load or an underlying issue with the AC system. Consider redistributing the load or consulting a professional technician.

3. AC breaker tripping in extreme weather conditions

In extreme weather conditions, such as hot summers or severe storms, AC breakers may trip due to increased electrical demand or power fluctuations. Ensure the AC unit is well-maintained and stable power supply is available.

D. Monitoring and Regular Inspections

1. regular inspection checklist for the ac system.

Regular inspections should include checking electrical connections, measuring temperature differentials, testing capacitors, lubricating moving parts, inspecting refrigerant levels, and cleaning coils.

2. Warning signs that require immediate attention

Warning signs that warrant immediate attention include burning smells, unusual sounds, frequent breaker tripping, inadequate cooling, or any visible damage to the AC unit or wiring.

3. Benefits of tracking and monitoring breaker behavior

Tracking and monitoring breaker behavior can help identify recurring issues, detect patterns of breaker tripping, and provide valuable insights for preventive maintenance or necessary repairs.

V. Conclusion

In conclusion, AC breaker tripping can be caused by various factors, including electrical overload, short circuits, ground faults, overheating, or faulty breakers. By understanding these common causes and following the troubleshooting tips provided, you can address the issue effectively and restore the optimal functioning of your AC system.

Remember, safety should always be the top priority when dealing with electrical components. When in doubt, it’s best to seek professional assistance to ensure proper diagnosis, repair, and maintenance. With regular preventive care and attention to electrical safety, you can enjoy uninterrupted cooling comfort and peace of mind throughout the year.

AC Unit Not Turning On – How to Fix It

Frequently Asked Questions (FAQ)

Why is my ac breaker tripping, how can i prevent my ac breaker from tripping, is it safe to keep resetting the ac breaker, can i fix a tripping ac breaker myself, how much does it cost to fix a tripping ac breaker, final words: understanding and preventing ac breaker tripping.

In conclusion, understanding why your AC breaker is tripping is crucial in maintaining the safety and functionality of your air conditioning system. The AC breaker plays a vital role in protecting your AC system from electrical overloads and faults, ensuring the safety of your home.

Common causes of AC breaker tripping include electrical overload, short circuits, ground faults, overheating, and faulty breakers. By identifying these causes and implementing the appropriate solutions, you can prevent further damage to your AC system and potential hazards such as electrical fires.

Troubleshooting AC breaker tripping involves a step-by-step process of checking for signs of damage, isolating the issue, narrowing down possible causes, and testing and inspecting components. It is important to exercise caution and prioritize safety when dealing with electrical components, and seek professional assistance when needed. Preventive maintenance is key in preventing AC breaker tripping.

Regularly cleaning or replacing air filters, clearing debris around the outdoor unit, and scheduling professional inspections can help detect and address potential issues before they escalate. It is also important to consider upgrading your electrical panel if it is outdated or experiencing frequent breaker tripping. An upgraded panel provides increased electrical capacity and improved safety features, reducing the risk of electrical issues.

Hello, I'm John C. Madison, your HVAC guru at Smart AC Fix. With over 20 years of experience as a certified HVAC technician, I've spent years diving into the intricate world of heating, ventilation, and air conditioning systems. My passion for understanding how things work drove me to master the art of AC maintenance and repair. I'm here to share practical, hands-on solutions to your AC problems and help you keep your cooling system running smoothly. From troubleshooting to maintenance tips, count on me for expert advice. When I'm not tinkering with AC units, you'll find me enjoying the great outdoors and staying cool, just like I want for you!

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Troubleshooting: Why Is My Ac Tripping The Breaker?

Is your air conditioner constantly tripping the breaker? Don’t worry, we’ve got the solution for you! Many homeowners often encounter this frustrating issue, and it can certainly put a damper on your indoor comfort. So, why is your air conditioner tripping the breaker? Well, there are a few possible culprits causing this problem, but rest assured, we’re here to help you troubleshoot and overcome the challenge. Let’s dive in and explore what might be causing your air conditioner to trip the breaker, shall we?

Table of Contents

Why Is My Air Conditioner Tripping the Breaker?

If you’ve experienced the frustration of your air conditioner consistently tripping the breaker, you’re not alone. This common issue can be caused by several factors, ranging from simple to more complex issues. Understanding why your air conditioner is tripping the breaker is essential to resolving the problem and ensuring your cooling system functions smoothly. In this article, we’ll explore the potential causes of this issue and provide helpful solutions.

1. Electrical Overload

One of the most common reasons for an air conditioner tripping the breaker is an electrical overload. When the demand for power exceeds the capacity of the circuit, the breaker trips to prevent damage to the system. Here are a few possible causes of an electrical overload:

A. Dirty Air Filters:

Air filters play a crucial role in maintaining proper airflow in your air conditioning system. When they become dirty or clogged, the system must work harder to circulate air, leading to increased energy consumption and potentially overloading the electrical circuit. Regularly cleaning or replacing your air filters can prevent this issue.

B. Blocked or Restricted Air Vents:

Similarly, blocked or restricted air vents can disrupt the airflow and cause your air conditioner to work harder than necessary. This added strain on the system may result in an electrical overload. Make sure all vents are clear and unobstructed to promote optimal airflow.

C. Undersized Breaker:

In some cases, the circuit breaker may be undersized for the electrical load required by your air conditioner. This can cause the breaker to trip frequently. Consulting with a professional electrician to evaluate and potentially upgrade your breaker’s capacity can help alleviate this issue.

2. Compressor Issues

The compressor is the heart of your air conditioning system, responsible for pumping refrigerant and maintaining the desired temperature. If there are issues with the compressor, it can lead to a tripped breaker. Here are a couple of possibilities:

A. Dirty or Damaged Compressor:

A dirty or damaged compressor can cause it to overheat, resulting in excessive power consumption and a tripped breaker. Regular maintenance, such as cleaning the coils and ensuring proper lubrication, can help prevent these problems. If the compressor is damaged, it may require professional repair or replacement.

B. Faulty Capacitor:

The capacitor is a component that helps start the compressor motor. If the capacitor is faulty or failing, it can cause the compressor to draw excessive power and trip the breaker. A qualified HVAC technician can diagnose and replace a faulty capacitor.

3. Wiring Issues

Problems with the electrical wiring in your air conditioning system can also lead to breaker tripping. Check for the following potential wiring issues:

A. Short Circuits:

Short circuits occur when wires come into contact with each other or with other conductive materials. This can cause a surge of electricity, resulting in a tripped breaker. A professional electrician should be consulted to identify and resolve any short-circuiting wiring.

B. Loose Connections:

Loose electrical connections can disrupt the flow of electricity and cause overheating, which may trip the breaker. It’s important to ensure all connections are secure and properly tightened. If you’re not familiar with electrical work, it’s best to seek assistance from a qualified professional.

4. Insufficient Cooling System Maintenance

Regular maintenance is crucial for the efficient operation of your air conditioner. Neglecting routine maintenance tasks can lead to various issues that may cause the breaker to trip. Consider the following maintenance-related factors:

A. Dirty Condenser Coils:

Condenser coils located outside your home can accumulate dirt, debris, and grime over time, hindering proper heat transfer. When the coils are dirty, the system works harder and may overload the circuit, causing the breaker to trip. Cleaning the condenser coils periodically can prevent this problem.

B. Low Refrigerant Levels:

Insufficient refrigerant levels can cause the air conditioner to work harder and longer, potentially leading to an electrical overload. If you suspect low refrigerant levels, it’s best to have a professional HVAC technician inspect and recharge the system as needed.

C. Aging or Faulty Components:

As your air conditioner ages, its components may deteriorate or become faulty. This can lead to increased energy consumption and potential breaker tripping. Regular inspections by an experienced HVAC technician can help identify and address any aging or faulty components.

5. Extreme Weather Conditions

During periods of excessive heat or cold, the demand for cooling or heating increases, which can overload the air conditioning system and cause the breaker to trip. Here are a few considerations related to extreme weather conditions:

A. Heatwaves:

Heatwaves result in higher temperatures outside, causing your air conditioner to run for more extended periods. In such conditions, the system may become overloaded and cause the breaker to trip. Ensuring your air conditioner is adequately sized for the cooling load of your home can help mitigate this issue.

B. Cold Snaps:

Similarly, during extremely cold weather, heating systems may need to work harder to maintain comfortable indoor temperatures. This increased workload can overload the system, resulting in a tripped breaker. Regular maintenance and ensuring proper insulation can help prevent this issue.

Understanding the reasons behind your air conditioner tripping the breaker is crucial to finding the appropriate solutions. From electrical overloads to compressor issues, wiring problems, insufficient maintenance, and extreme weather conditions, there are several potential culprits. By addressing these issues promptly and seeking professional help when necessary, you can ensure your air conditioner operates efficiently and reliably, keeping you cool during hot summer months. Remember, safety should always be a priority, and if you’re unsure about any electrical or HVAC-related repairs, it’s best to consult with a qualified technician. Stay proactive, and you’ll enjoy uninterrupted cooling for years to come.

Frequently Asked Questions

Why is my air conditioner tripping the breaker.

Air conditioners can trip the breaker for a variety of reasons, ranging from electrical issues to internal problems. Here are some common questions and answers to help you understand why your air conditioner might be causing your breaker to trip.

Does an overloaded circuit cause my air conditioner to trip the breaker?

An overloaded circuit is a common cause of air conditioner breaker trips. When an air conditioner demands more electricity than a circuit can handle, it can cause the breaker to trip as a safety mechanism. To avoid this, make sure your air conditioner is on a dedicated circuit and not sharing it with other high-powered appliances.

Can a faulty capacitor lead to my air conditioner tripping the breaker?

Yes, a faulty capacitor in your air conditioner can cause the breaker to trip. The capacitor is responsible for storing and releasing electrical energy to start the compressor. If it becomes weak or fails, it can cause an electrical imbalance that triggers the breaker. A professional HVAC technician can diagnose and replace a faulty capacitor if needed.

Could a refrigerant leak be the reason my air conditioner is tripping the breaker?

While a refrigerant leak itself may not directly cause the breaker to trip, it can contribute to the problem. When refrigerant levels are low, the compressor has to work harder, putting additional strain on the electrical system. This increased load can lead to the breaker tripping. If you suspect a refrigerant leak, it’s best to call a professional to inspect and repair it.

Can a dirty air filter cause my air conditioner to trip the breaker?

Yes, a clogged or dirty air filter can restrict airflow and cause your air conditioner to work harder than necessary. This increased strain on the system can result in the breaker tripping. Regularly cleaning or replacing your air filter can help prevent this issue and keep your air conditioner running smoothly.

What role does the compressor play in my air conditioner tripping the breaker?

The compressor is a vital component of an air conditioner, responsible for compressing refrigerant and circulating it through the system. If the compressor is malfunctioning or experiencing electrical issues, it can draw excessive power, causing the breaker to trip. A professional inspection can determine if the compressor needs repair or replacement.

Final Thoughts

If your air conditioner keeps tripping the breaker, there may be a few reasons behind this issue. Firstly, it could be due to an overloaded circuit. To resolve this, consider unplugging any unnecessary appliances or devices connected to the same circuit. Secondly, a faulty thermostat or compressor could be causing the problem. In such cases, it’s best to seek professional assistance to diagnose and fix the issue. Finally, a dirty air filter or condenser coils can also lead to the AC tripping the breaker. Regularly cleaning and maintaining these components can help prevent this problem. Don’t ignore the signs – if your air conditioner keeps tripping the breaker, it’s time to take action and ensure your AC functions efficiently.

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Why Does My Air Conditioner Breaker Keep Tripping? Here’s Your Fix!

By Author Michael Joseph

Posted on Last updated: July 24, 2022

Your AC breaker is a safety feature that automatically turns off the system whenever a power overload is detected. If your air conditioner breaker keeps tripping, it’s because the system is taking in more amps than it’s rated for, which could happen for several reasons.

This happens to prevent damage to your equipment from overloaded circuits. So make sure that you don’t ignore the issue if it’s one that you’re having.

Most importantly, don’t continue to reset your AC breaker . Your main goal should be figuring out what the problem is so that you can solve it or hire a technician. We put together this article to help you do that, so keep reading to learn more.

Start with these steps

It bears repeating: You don’t want to just continue flipping back the breaker switch if it keeps tripping. Instead, follow these steps to start isolating the issue so that you can solve it safely:

• Turn off your air conditioner at the thermostat.
• Flip the AC circuit breaker switch into the “ON” position.
• Wait for about 15 minutes with the air conditioner off.
• Turn the air conditioner to the “COOL” setting.

Here’s what might happen next

After you complete the four steps shown above, there are three different things that might happen. We’ll cover each of those below.

1. It operates normally without tripping the breaker

If this happens, great! It’s a sign that your air conditioner is back to working normally. It means that your issue was likely tied to a momentary power surge or some other chance occurrence that won’t happen again.

These types of issues are generally not something you need to look further into unless they happen consistently. It’s often caused by a problem that’s external to your household.

2. It works for a while and then trips the breaker again

This could also happen, which can be frustrating. But the good news is that you may be able to solve the problem yourself. You can try replacing your AC air filter to see if that works.

Your air conditioner relies on a clean air filter to get the airflow that it needs to function properly. When the filter is dirty, the system has to work harder, and that can lead to overheating that trips the breaker.

Replacing your filter is super straightforward. You can refer to your owner’s manual to get step-by-step instructions that are specific to your system.

3. The breaker trips immediately

It’s also possible that the breaker will trip right away after you turn your AC back on. Unfortunately, this isn’t something that you’re likely going to be able to fix on your own. Instead, it’s time to call out an AC repair company to come and take a look at your unit.

You can also keep reading to learn more about the mechanical reasons why this keeps happening.

Here’s why your air conditioner breaker keeps tripping (from best-case to worst-case scenario)

The circuit breaker is faulty.

This is the best-case scenario because it means that you need to fix the breaker, not your AC unit. It means that your issue will probably be less expensive to solve.

There are a few reasons why this could happen. One is that you may have a circuit breaker box that doesn’t give your home enough power. For example, a 4.5-ton air conditioner typically needs a 35A breaker to work correctly.

It may also be as simple as a loose wire. These can happen due to natural contractions and expansions that occur when the temperature changes over time.

Here are some of the top signs that you’ve got a bad breaker:

• There’s a burning smell near the breaker box. This can happen when wires and their insulation get overheated.
• Your breakers are hot to the touch. This is self-explanatory. The same heat that leads to your wires burning can also cause the breakers themselves to get warm.
• You can see visible damage on the circuit breaker.

The solution to a bad breaker is to replace it with a new one . You can confirm that this is necessary by seeing if a breaker is loose when you manipulate it.

The good news is that these are pretty inexpensive and not the most challenging thing to replace. But if you’re not comfortable with electrical work, then an electrician should be able to handle it for you at a reasonable price.

You have dirty condenser coils

It’s also possible that your air conditioner circuit breaker keeps tripping because you’ve got dirty condenser coils. This part’s job is to release heat from the inside of your home outside. It’s typically on your outer unit, which means it’s constantly exposed to the outside elements (wind, snow, etc.).

Condenser coils may get covered with various types of grime and debris periodically. When this happens, they aren’t able to release the heat that they need to. This causes your AC to work harder and can lead to overheating that trips the safety breaker.

You should be able to see this visibly, as most modern units discharge warm air out of the top.

Fixing this problem may be as simple as cleaning the condenser coils . You can open up your outdoor system and look for any dirt. When you see some, spray it with a cleaner and wipe it with a rag.

Luckily, you don’t need a complicated cleaning solution for this task. You can just mix together some warm water with your favorite cleaning product, and that should be enough.

Your fan motor is malfunctioning

The overheating problem that you’re experiencing may also be tied to your air conditioner’s fan motor.

This problem is similar to what can happen with your condenser coils. The same outside elements could reduce the efficiency of your fan, which causes the AC unit to have to work harder.

That creates a situation in which your air conditioner is drawing more electricity than it would normally need to compensate for the lack of efficiency. If this happens consistently, the capacitor can overload. And your air conditioner will trip your breaker as a result.

You can check for this issue by looking to see if your outdoor fan is spinning . If it is, then your problem may lie elsewhere. But if it’s not, you might have a broken fan motor that needs to be replaced. It will cost about $250 to $700 to replace on average.

That being said, make sure to look into the various reasons why a fan may not be spinning . Because it can be indicative of several different problems.

Your evaporator coils have frozen

It’s also possible that your evaporator coils have frozen, and that’s causing your AC circuit breaker to trip continuously. This can happen when too many debris accumulates in your system and airflow is reduced.

This is a pretty straightforward issue to spot. Simply take a look at your evaporator coils and see if there’s any ice on them. You may also want to check for puddles of water nearby in case they’ve recently thawed.

The solution is to give your evaporator coils 24 hours to thaw out . While that’s going on, you can clean the coils to make sure this doesn’t happen again.

You may also want to give your entire air conditioner a thorough cleaning and swap out the air filter. The cleaner your system is, the more airflow that it gets. And that will decrease your chances of experiencing frozen coils again the next time you use your air conditioner.

You’ve got low refrigerant levels

Air conditioners use refrigerant to cool down the air that they process. This liquid is designed to be a closed loop that doesn’t need topping up under normal circumstances.

However, sometimes you can get punctures in your refrigerant lines, which lead to lower refrigerant levels over time. This will cause your system to pull in too much power and may lead to tripped breakers.

The only solution to this problem is to call an HVAC professional . Refrigerant is a toxic liquid that isn’t safe to deal with unless you know the proper way to do so. To avoid putting yourself or your family at risk, it’s best to let a professional take over from here.

The compressor isn’t starting

Finally, the problems you’ve been experiencing could also stem from the compressor itself. It may have trouble starting, which could cause it to draw in too much power and trip the breaker immediately.

Normal AC units should turn on within about a second of the time that you flip the switch. If your air conditioner takes longer than that to get going, it’s a big sign that you’ve got a compressor issue.

The unfortunate news is that compressor repairs and replacement cost about $1,250 on average . That means it may make more sense to just replace your system with a new one at this point—especially if you’ve had the current AC for a long time already.

Either way, your next step is to call an HVAC professional so they can diagnose the problem and advise you on your options.

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9 possible reasons why ac breaker keeps tripping

Table of Contents

Air conditioning offering us the comfortable temperatures we want but sometimes this HVAC device also gives us some problems. For example, the ac tripping breaker issue . Why air conditioner trips breaker immediately? Why ac trips breaker after 5 minutes? Why ac fuse keeps blowing? Below we listed down 9 possible reasons and how to solve it.

What is ac tripping?

It usually means breakage of the electrical windings inside that compressor. These windings inside the compressor hit the surface of the compressor, causing the compressor to shorten directly. It means that it will burn burning oil, which will trip your ac breaker as a process.

As a result, your air conditioner will shut down.

Why ac keeps tripping breaker?

Many people face this problem as various people complain that their ac trips breaker after 5 minutes.  There are many reasons for this. I will discuss them with you now. So read the steps below.

1. Dirty air filter

When your air conditioner runs on a dirty filter, it needs to work harder to propagate through your unit’s vents. To achieve the temperature, you claim with a dirty filter, and the air conditioner must run long enough to run cool enough air. When your ac is coerced to run for a long time, you have to bring more electricity by tripping the breaker. It will throw your unit down by overheating.

So, the solution to this problem is to clean the air filter.

2. Not sufficient refrigerated

When your air conditioner runs low on refrigerant , the AC is urged to work longer hours to refrigerate your home, just like a dirty air filter problem. Excessive heat causes it and damages your AC. You can find out if your refrigerant has a problem when you see that the air is not very cold.

The solution is you need a technician to refill your refrigerant and to seal up the leaks.

3. Dusty condenser coils

These coils are for the airy unit of your air conditioner. Inside, the company absorbs heat from the air and uses refrigerants. And which flows to the outer company to remove heat.

If your condenser gets dirty in the coil, it will prevent heat from circulating in your outdoor unit. It needs air conditioners to run harder and longer to reduce the temperature of your home. More power is needed to get the heat out of the ac, which causes the breaker to trip.

The solution is to wash these coils yourself, but it is better to do it with a professional.

4. The Broken coil fan

As discussed earlier, the coils try to dissipate heat from the internal unit, but this is done using a fan that flows over the waves. This fan is in the outdoor unit, and there is no way to cool the condenser coils if it stops working.

You can call a professional to solve it.

5. Motor shortened

Electric motors on AC can run for several hours. When these run for long hours, the wire insulation may break in the electrical short. The wires trip the place breakers including more extra energy than they can manage.

Professional assistance is required to identify its temporary location.

6. Bad compressor

The heart of the AC is the compressor. The older the conditioning system, the weaker the compressor. The compressor consumes a large amount of energy when starting for the first time, but it becomes difficult to start the compressor with age. More power is needed when it is hard to create. It is how ac trips the breaker after some time.

You can install a hard start kit to back up your old, weak compressor.

7. The bad capacitor 

The capacitor starts up the compressor. If your capacitor is swelled, a replacement is required. The main reason for this may be if the circuit breaker has trouble starting the air conditioning before the trip.

It will need an expert to fix that.

8. The grounded compressor

This is the worst case!  Each grounded compressor happens if the electricity in the compressor hits the compressor surface. It directly causes grounding, which ignites the compressor oil and creates a glint.

It causes your circuit breaker to shut off the electrical current before it catches fire, which is the main reason for your breaker to trip. Though you own a grounded compressor, you will need to repair a valuable portion of the compressor or a whole outdoor unit. However, it would be wiser to replace the external unit instead of a whole compressor.

9. The Electrical short

The breaker may trip due to an electrical short. The breaker will trip instantly if a short is existing ( air conditioner trips breaker immediately ).  If this occurs, then it is more helpful to call for service without resetting the breaker.

The above eight are the most common reasons why aircond trip. If still can’t solve the ac tripping issue, we recommend you call HVAC expert immediately.

What to do when AC trips breaker

When your AC circuit breaker trips, it is likely to be as a result of an overload. Although that is not always the case, it accounts for most reasons. Anytime your AC breaker trips, before you call a professional for diagnosis or repair, try the steps below to see if the temporary distortion is something you can remedy by yourself.

• Go to the thermostat and turn off the AC.
• On the electrical panel, put the circuit breaker in the ON position.
• Wait for git about 30 minutes while your AC is still off. See to it that the thermostat is OFF for the internal circuit breaker of your air conditioner to reset.
• Once the time elapses, put your air conditioner back to cool mode.

If after trying this, your circuit breaker didn’t turn off, then you are good to go. However, if it trips off afterward, I will advise you to call a professional for the next line of action.

How do I stop my AC from tripping the breaker

If after going through the steps explained in the previous section, your breaker still keeps tripping, then it is high time you went through the possible causes of circuit breaker tripping discussed earlier in this article, and make necessary adjustments. To make your job easier, call a professional.

How to reset AC circuit breaker

It is very easy to reset the circuit breaker of an AC, all you have to do is to follow the simple steps below.

• Go to the electrical panel, switch off the circuit breaker.
• Then put it back in the ON position.
• Wait for 30 minutes for the time breaker to reset.

How to replace AC circuit breaker

No matter whatever could be the cause of your circuit breaker tripping, changing the old one and installing a new one will help you narrow the possible causes faster. Circuit breakers are not expensive and not so difficult to replace as long as you have some knowledge about electrical problems. Even if you don’t know, don’t worry, the simple steps should be enough to guide you through the process. However, be careful, because you will be dealing with the main electrical panel without the safety cover!

1. Turn off the main power

You should know that this is not necessary as many professionals would remove the circuit breaker without switching off the power. However, as an amateur, it is recommended that you turn it off. Find the main circuit breaker and put it in the on position. Note that this may leave you working in the dark if you are working during the night, so I would suggest that you hold a flashlight beforehand.

2. Unfasten the cover plate of the brake panel

Unscrew the cover plate from the breaker panel. It is best to start unscrewing the screws at the corners first before unfastening the two screws at the middle of the panel. Hold the cover plate with your hand while you unscrew the last two screws so the cover doesn’t fall. Carefully remove the cover and set it aside.

3. Remove the faulty circuit breaker

Flip the reset panel of the circuit breaker to the OFF position. You will see an insulated black wire attached to the breaker, if it is firmly doubled across the two sides of the panel, extend it further from the panel making sure you are careful enough not to touch the panel or any other wire.

Go to the inward middle part of the panel, hold the old breaker at the edge, rotate it towards the outside of the panel. The breaker will break free, just pull it out from the panel. Make sure you do not touch the metal bus bar that is attached to the breaker.

4. Disconnect the wires

Unfasten the screws terminal holding the black circuit wire connected to the breaker to remove it. Note that if you are installing a 240-volt breaker, it will be connected with a black and red hot wire.

If it is the AFCI or GFCI circuit breaker that you are installing, it will be connected to a neutral circuit wire and a coiled white pigtail wire that connects the neutral bus bar. Disconnect these wires.

5. Connect the disconnected wires to the new circuit breaker.

Flip the new circuit breaker to the ON position before installation. Connect the black circuits wire and the new circuit breaker. This should be done by putting the naked end of the wire into the screw terminal of the breaker and tightening it with a screw.

Regardless of the type of circuit breaker you are installing, connect the wires to the corresponding screw terminal. Put neutral wires into a neutral screw terminal.

6. Insert the power breaker

The new power breaker should be hooked into the rear holder clip on the circuit breaker panel, push forward for a firm grip. During installation, see to it that breaker lines and the bus bar align. Excess wires should be tucked into the panel, neatly using it to fill up gaps across the sides of the panel.

7. Replace the panel and turn on the power

Fasten the cover of the service panel with its screw. Flip individual circuit breaker to OFF position before you turn on the main circuit breaker. This is necessary to prevent a sudden surge in power once you turn on the main breaker.

Once you switch off the circuit breaker, turn on the main circuit breaker. Then flip on individual feeder circuit breakers one after the other. Test fixtures and outlets afterward.

AC breaker FAQs

Are ac circuit breakers directional.

Yes, AC circuit breakers are directional. Circuit breakers are just like fuses, they can work in either direction.

Where to find AC circuit breaker?

Usually, you would find AC circuit breakers in the laundry room, basement, closet, garage, and every other exterior part of the house. They can be easily recognized by a switch that is in a neutral position

Can you use an AC circuit breaker on DC?

No, you cannot use the AC circuit breaker on DC. This is because the AC and voltage may affect the circuit differently than they would affect a DC that has the same voltage level.

Is it okay to turn off the AC breaker?

Yes, you can turn off the AC breaker. If you do not know what to do with your faulty AC circuit breaker, it would be best for you to switch it off pending the time you can have a technician come around to check it. Once the breaker is shit off, all your components like the compressor, the evaporator, and some other components will be shut off as well, which means you will be reducing the chances of getting those components damaged.

Thanks for reading. Please share this article to your loved ones. Sharing is caring.

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Why My AC Keeps Tripping The Circuit Breaker?

Find out why your AC trips breaker after 5 minutes. Sandium offers expert aid when your AC conditioner trips. Visit us for help in time when your air conditioner trips.

The last thing you require on a hot Bay Area summer day is to have your AC keep shutting off because of a tripped breaker. There are several things that can cause an air conditioner to trip the circuit breaker repeatedly. The AC circuit breaker is responsible for shutting off the unit when an overload is detected. This in-built feature is meant to protect the equipment from fire and damage. The primary reason for an air conditioner to draw more amps is because it is running inefficiently or being overworked.

These are a few reasons why your air conditioner keeps tripping the circuit breaker.

Air Filter is Clogged

Airflow is restricted when a dirty air filter gets clogged because of dust and debris. The equipment needs to work harder for circulating conditioned air through the vents. Your AC will need to run longer for meeting the set thermostat temperature.

This will result in it drawing more electricity and causing the circuit breaker to trip. Dirty air filters also put an air conditioner through unnecessary additional strain making it overheat. The best way to correct this is by replacing or cleaning the air filter. Additionally, don’t ignore routine maintenance.

Low Refrigerant Levels

Refrigerant is needed to condition air. Air conditioners with low refrigerant levels will need to work longer for cooling a space. Older systems that have not been routinely maintained or neglected usually experience this problem. The refrigerant line develops holes that causes leaks.

The system will need to work longer for meeting the desired temperature as the refrigerant levels reduce in the system. You should not attempt to fix this problem on your own. Instead, you should get in touch with a professional AC contractor for repairing the leaks and charging the system properly.

Dirty Condenser Coil

There are two components in an air conditioning unit – indoor and outdoor. The outdoor unit disperses heat. It cannot perform its job when the condenser coils are dirty. This will again tax your system and make it overwork.

The air conditioner may draw too much power causing a tripped breaker. You should have your air conditioner maintained regularly to keep the condenser coil clean. It may be time you get in touch with an experienced professional if you haven’t had maintenance performed in a few months.

Motor Troubles

The motor in an AC has the potential to run for hours. However, when left running for extended periods, the wire insulation breaks down. This can result in an electrical short. A short can be described as a situation in which electricity bypasses the normal route. More electricity flows through the wires than they are meant to handle causing a fire. However, this occurs before the circuit breaker trips.

Compressor Doesn’t Start Properly

Compressors in older systems have a hard time starting. They pull more electricity which can cause a tripped breaker. You should ask a trained HVAC professional to install a hard start kit that provides an extra electrical jolt. This is a band-aid fix. If your compressor is too old, you may need to replace it.

Compressor is Grounded

This occurs when one of the compressor’s electrical windings break and hit the side of the unit. It results in a short to the ground. The short ignites the oil within the unit causing a burnout. The burnout can easily spread, tripping the breaker. 

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6 REASONS YOUR AIR CONDITIONER KEEPS TRIPPING THE CIRCUIT BREAKER

So, you've determined that your AC is tripping the breaker, but you're clueless as to why.

Well, an air conditioner usually trips the breaker because it's pulling in more amps than the breaker is rated for. That is, if you have a 20-amp breaker and the AC pulls 30 amps, the breaker trips.

That's why breakers trip: to protect you from over currents that can damage equipment and cause fires (yikes).

So DON'T keep resetting the breaker and letting it trip. Constant tripping can harm equipment and cause a fire. Find the cause of the problem first.

Common causes of an air conditioner tripping the breaker include:

• Dirty air filter
• Dirty outside unit
• Issue with the circuit breaker
• Motor has shorted
• Compressor has trouble starting
• Compressor is grounded

You can fix the first problem yourself, but everything else requires an AC repair technician.

Read on to learn why these problems cause an AC to trip the breaker.

Or you can schedule an AC repair with us right away if you live in the metro Atlanta, GA area .

Now, on to the reasons your AC keeps tripping the circuit breaker

• Dirty air filter Imagine forcing a pillow over your face. Hard to breathe right? That's what a dirty filter does to your AC blower; the blower has to work longer and harder to circulate air through the filter. This causes the blower to draw more electricity and trip the breaker. Solution : Change the air filter.
• Dirty outside unit Your AC system has an inside unit and an outside unit. The inside unit absorbs heat from your air using refrigerant. That refrigerant flows to the outside unit to disperse the heat. However, the outside unit can't disperse heat well if it's super dirty because dirt is an insulator. So the AC runs and runs trying to disperse that heat outside until-click-the breaker trips due to drawing too much current. Solution: Get an AC tech to properly clean the outside unit. You may be thinking, "Why can't I clean it myself?" Well, you lack the cleaning equipment and cleaning chemicals to clean the condenser coil professionally (and buying the wrong type of equipment can do more harm than good to the condenser). Plus, cleaning it improperly could damage/flatten the fins wrapped around the coil. This blocks airflow over the coil and is just as bad as having the coil matted with dirt.
• Issues with the circuit breaker The issue may not be with the AC itself but rather with the breaker. Wires connected to the breaker may be loose or the breaker itself may be bad and needs replacing. This is a relatively inexpensive fix. Solution: Have a tech tighten connections to the AC's breaker or replace the breaker.
• Motor has shorted Electric motors in your AC can run for hours and hours and can take quite a bit of abuse. But if a motor runs hot for too long, the wire insulation can break down, leading to an electrical "short." A "short" is where electricity bypasses its normal path, (so it's taking a "shortcut"). This shortcut allows more electricity to flow than the wires can handle, causing the wires to overheat, melt and cause a fire. Of course, before the fire happens, the circuit breaker trips. Solution: Call an AC repair technician to find the source of the short.
• Compressor has trouble starting The heart of your AC system is the compressor. It pulls tons of electricity when it starts up. Unfortunately, as the compressor ages, it has trouble starting (called hard starting) and pulls even more electricity, causing the breaker to trip as a result. Solution: Have an AC technician install a "hard start kit" which is a capacitor that gives the compressor motor an extra electrical "jolt" to get it moving. However, the compressor may be old or damaged and need to be replaced instead.
• Compressor is grounded A "grounded compressor" or "compressor short to ground" means that an electrical winding inside the compressor has broken and hit the side of the compressor. This causes a direct short to ground, igniting the oil and causing a burnout. And, of course, the circuit breaker trips due to the sudden current surge. Solution: This is the worst-case scenario. An AC tech will have to replace the compressor and clean the refrigerant lines. If your compressor is out of warranty (or your warranty never covered it), you might as well replace the entire outside unit. Cheaper that way. (Compressors are pricy.)

Need an AC repair in metro Atlanta? Call Ragsdale Heating and Air

If you've changed the filter and that didn't help, call Ragsdale to schedule local expert AC repair . If you live in the metro Atlanta, GA area, schedule an AC repair with Ragsdale. We serve cities all over the Atlanta metro area and beyond including Dallas , Alpharetta , Marietta , Roswell , Woodstock , Rockmart , Rome , Kennesaw , Loganville , Snellville , Lawrenceville , and more.

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Why Is Your AC Tripping Your Circuit Breaker? 

If you notice that your AC is tripping the breaker, then it may be time to contact a professional. There are many reasons why this could be happening, and each of them requires different solutions. 

For example, if you notice your AC system is tripping the breaker when it gets too hot outside, then you might need an ac pro to come out and give your unit a tune-up. 

Sometimes air conditioners will cause circuit breaker trips because they are not getting enough electrical current from the AC circuit breaker, or there may be something wrong with the wiring in your house. 

Let’s take a look at the top five common causes for why your air conditioning system could be tripping your circuit breaker. Finding the issue and trusting a professional with your AC repair can keep your family cool and safe this Summer!

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1. A Dirty Air Filter 

If you notice that your AC is tripping the breaker when it gets too hot outside, a dirty air filter may be to blame.  Dirty filters can reduce airflow and cause AC units to overheat, resulting in a breaker trip. 

They also make it difficult for air conditioners to function efficiently at colder temperatures, so you might notice your AC is not cooling your home like it used to.

Air filters should be cleaned every few months depending on how often you use your air conditioning unit and where you live (it might need more cleaning if there are many allergens or plants in your area). 

Your best option is always going to be calling in an HVAC technician who knows precisely what they’re doing when dealing with electrical wiring like this. If somebody with proper HVAC training is not appropriately handled, there could be severe consequences for both property and personal safety.

2. Dirty Condenser Coils

When your condenser coils get dirty, they cannot disperse heat from inside the house to the outside unit .  This can cause the air conditioning system to lead to an electrical short, which can overheat. 

Even when it is running, the A/C unit requires more electrical current to push the heat out of your home, which leads to a short circuit. 

Dirty coils are usually caused by a buildup of dirt, dust, or plant life in your outdoor unit. Cleaning out these coils will help you avoid future ac problems like this!

To prevent dirty condenser coils, you want to make sure that your AC pro is coming out and doing regular tune-ups on the unit.  Tune-ups should be done at least once per year to prevent heat loss in your home during these hot summer months!

An AC pro will also know how often a coil needs to be cleaned or replaced. Some units don’t need cleaning until they are no longer working correctly, while others may only need an annual cleaning depending on their age and performance level. 

3. Broken Coil Fan

Air conditioning units use fans inside them called “coil” fans for cooling purposes, which are often powered by motors outside the house. This fan blows over the coils to release heat from your inside unit. 

If there is something wrong with these motors – whether they have been damaged through wear and tear over time or if they were cut out during construction work nearby-then this could result in increased energy usage and cause the coil fan to burn out sooner than expected.

If your air conditioner fan motor is tripping the breaker because it’s not getting enough power from your circuit, then a broken coil fan may be to blame.  Broken or missing parts of an ac unit can cause this issue that results in higher electricity usage and possible breakers trips. 

To fix this problem, you’ll need an HVAC pro who knows how to replace or repair the coils on air conditioning!

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4. The Compressor Is “Hard Starting”

The compressor is an essential part of your AC unit, and as the compressor ages, it may experience problems starting up. If the circuit breaker keeps breaking, you might need to have an HVAC technician check the flow of electricity between the fan and your circuit. 

A running AC unit should switch on in about one second – so anything longer than that could be a sign that you have an issue with your compressor. 

If your compressor is “hard starting,” you will need to call a professional to diagnose the issue. The entire compressor may need to be replaced, plus the refrigerator lines will need to be cleaned to ensure no particulates are in the lines that can cause problems down the road. 

5. Loose Wiring & Aging A/C Parts

Your A/C unit is a complex maze of wires that keep the entire system working. Over time, these wires may become loose and lose their connection, and this can cause your circuit breaker to trip from time to time.  

An AC pro will fix this by re-wiring your circuit and may also need to replace the metal plate that contains all of your wires.  The ac pro can provide a new one, or you can purchase one separately on Amazon at an affordable price!

Don’t Risk Your Investment by Running Your AC with a Tripped Breaker.

How much is your peace of mind worth to you? Think about it, if your AC breaker keeps tripping and shutting off because there’s an underlying issue with the system, not only are you dealing with a hothouse day in and day out, but when Summer comes around again – that’s a whole lot more money. 

The best thing you can do for yourself (and the environment) is to get a professional AC repair service as soon as possible to identify and fix any issues before they become chronic. 

You may be able to save yourself from suffering through another scorching summer this year by taking care of your air conditioner now!

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Why Does My Central Air Conditioner Keep Tripping the Breaker?

The last thing you want on a sweltering summer day is to have your air conditioner keep turning off because the circuit breaker keeps tripping. Your home’s circuit breaker is a safety measure that protects against damage from overloaded circuits, which could cause a fire. Your AC constantly tripping your circuit breaker means that it’s pulling in too many amps than the breaker was designed for.

This is a problem that you definitely need to address before it gets worse. Don’t just keep resetting the circuit breaker. You need to see an AC repair specialist immediately in order to prevent further damage and potentially dangerous situations.

The first thing you should do if you’ve noticed a problem with your AC circuit breaker is to make sure there really is a problem. If there was a recent storm or power outage, the circuit breaker might’ve been tripped in a one-time power surge. 

However, if the problem has happened more than once, it’s likely an issue with your AC system. You might be able to simply reset your air conditioner’s internal circuit breaker. Take the following steps to do so:

• Turn the AC system OFF (on the thermostats)
• Reset the AC circuit breaker switch in your electrical panel to ON
• Wait 30 minutes with the air conditioner OFF
• Set your air conditioner back to COOL

If everything works as it should after this reset, you’re good to go! However, if the AC circuit breaker immediately trips again, or if it won’t turn on at all, you likely have a problem that needs to be looked at by a professional. If the AC system works for a little while before turning back off, there might be something you can do to fix it. 

Call Your Trusted Toronto HVAC Professional

Your air conditioning system is a large investment, one you don’t want to risk by accidentally breaking something even further in an attempt to fix it yourself. While there are many maintenance tasks that are easily accomplished by homeowners, an electrical issue is something best left to an AC technician with the knowledge, skills, and qualifications to handle it.

If you’re unsure of what the cause might be, the best way to ensure peace of mind is to contact your local HVAC technician for AC repair . A certified technician will be able to walk you through any possibilities, help you troubleshoot, and determine if the issue is something minor that you can fix yourself, or if it will need to be professionally serviced.

8 Reasons Your Central Air Conditioner Keeps Tripping the Breaker

1. dirty condenser coils.

If you’ve been neglecting your yearly AC unit maintenance, you might’ve noticed that your home isn’t as cool as it should be. Dirty condenser coils might be the issue, and luckily it’s one with an easy fix.

When your condenser coils get dirty, they lose their ability to disperse heat. This can lead to the air conditioner overheating, which may be the cause of tripping the circuit breaker. 

Dirty coils are usually caused by a buildup of dust and debris on the outdoor unit. Make sure you’re doing your yearly cleaning—and scheduling regular tune-ups—to keep the condenser coils in good condition.

2. Dirty Air Filter

Dirty filters may cause your air conditioner to trip the circuit breaker. Reduced airflow means the fan motor must work harder and longer to draw air through the filter. This can draw too much electricity, causing the air conditioning unit to overheat and resulting in an electrical short.

If you’ve noticed puddles of water around your outside AC unit or there’s no cool air coming from your AC , it might indicate restricted air circulation, which might be the cause for why your breaker keeps tripping. The easiest fix for this is to change the dirty air filter. Air filters should be cleaned and changed regularly , depending on how often you use your AC.

3. Old Air Conditioner

Nothing lasts forever, and your air conditioner is no exception. If your system is over 10 years old, it’s probably nearing the end of its useful life. The time will come when the cost of extensive repairs to keep an older unit running is more than it would cost to replace it with a new AC unit . 

Older units will show signs of failure before they break for good. If the air conditioner’s circuit breaker tripping is only one of many issues you’re seeing, it’s time to consider replacing your unit. 

4. Faulty Fan

Your AC system uses fans to help move air around, blowing over the coils to release the heat from your inside unit. If the motors that run these fans are damaged or dirty, your AC system will be using more energy, which might be the cause of your AC breaker trips.

If the fan blades are coated in dust and debris and slowing down the fan, a thorough cleaning might be enough to fix the problem. However, if the motor that runs the fan is malfunctioning, an AC technician will have to replace the motor.

5. Frozen Evaporator Coils

When maintenance is neglected, problems start to build up. Eventually, airflow is reduced, which causes the AC evaporator coils to freeze up . If you’ve had issues with your AC tripping the breaker, and if you see ice on the coils of your AC unit, it’s best to keep the system shut off and call in a professional. Keeping it running might result in compressor failure, which is a much worse problem to have.

6. Compressor Issues

Compressor failure is a serious issue that may require a whole new system. As the heart of the air conditioning system, your compressor pulls in lots of power when it starts up. As a compressor ages, it will have trouble starting, which pulls in even more power and can result in circuit breaker trips.

If you have a grounded compressor, that means electrical wiring inside the compressor has broken and is touching the side. This causes a direct short to ground, and usually, this will ignite the oil, causing a burnout. A faulty compressor means you’ll have to replace the AC unit altogether. 

7. Refrigerant Leaks

If you have an older AC unit (especially one that hasn’t had regular maintenance), corrosion can develop on the coils. This can lead to cracks and holes in the refrigerant lines, which will cause a refrigerant leak. When the refrigerant pressure drops, air conditioners have to work harder to cool your space. As a result, the unit will draw too much power and cause breaker trips.

8. Loose Wiring

There are plenty of wires connected in both the outdoor and indoor unit of your air conditioner that keep things running. Any of these wires might become loose or lose their connection, and this can cause a short circuit, resulting in a tripping breaker. 

Wiring issues are best left to an AC tech. They can re-wire any faulty circuits and replace a bad circuit breaker.

Expert AC Repair by Husky in Toronto/Vaughan

Many of the problems that cause an air conditioner circuit breaker to trip can be prevented with regular care and maintenance. Before it gets to the point of costly repairs or replacements, make sure you have a qualified technician service your system once or twice a year (depending on your usage). 

If you’re currently experiencing issues with your AC circuit breaker, give Husky a call for a free AC repair quote . The best thing you can do to give yourself peace of mind and extend the life of your investment is to get professional repair services before a small issue turns into a major one!

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“My AC Works But It Keeps Tripping the Breaker”

Does your air conditioner cool for a while but then trip your circuit breaker and shut off?

Typically, your AC breaker trips when there’s a short circuit, the AC is overworking or a part is bad or malfunctioning.

If you continue to run your AC, you could permanently damage the air conditioner. Get a professional AC repair tech out as soon as you can.

Now let’s look at the specific causes of an AC tripping the breaker.

Specific AC problems that can trip your breaker

Dirty air filter.

If you leave your air filter in so long that it is completely clogged with dirt, it can suffocate your AC, causing it to work much harder than it should, overheat, and trip the breaker.

Dirty condenser coils

These coils, located in the outside AC unit, are designed to release the heat from your home to the outside. But if they’re covered in dirt, they can’t do that. (It’s like you trying to cool off while wearing a wool sweater).

Bad capacitor

A capacitor is responsible for starting and keeping your air conditioner running. If it goes bad, it can pull too much electricity and trip your breaker.

Old or weak compressor

The compressor is in your air conditioner’s outdoor unit. A weak compressor has trouble starting. When it does try to start, it may try to pull too much electricity, which will trip your breaker.

If this is the problem, an air conditioning professional might recommend installing a hard start kit.

Loose electrical connections

Wires expand and contract as the weather changes, which can cause loose electrical connections inside of your air conditioner and result in a short circuit.

Another mechanical problem

There are numerous small mechanical problems that could also be causing your AC to trip your breaker.

Get your AC repaired today

Need help with your air conditioner and live in the Atlanta , Nashville , or Birmingham, AL areas? Give Coolray a call! We have been keeping people cool since 1966 and our technicians have the tools and experience to handle all your AC issues.

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Why Does My Air Conditioner Keep Tripping The Breaker?

Are you wondering why your AC unit keeps tripping the breaker?

You’ve come to the right place!

In this Blue National HVAC guide, you’ll learn:

• All the reasons why an AC unit trips the breaker
• What you can do to fix it
• When to get help from an HVAC professional

And much more!

So, if you’re looking for reasons why your air conditioner is tripping your breaker, keep reading our detailed guide below to get answers to all of your questions!

What Are The Common Causes Of An AC Unit Tripping the Breaker?

Most homes these days have  breaker boxes , and when it trips, most homeowners know to “go flip the breaker back” to get the power restored. But why does a circuit breaker trip in the first place? 

The reason is simple when more amps are pulled from the breaker than what it is rated for, it will trip. In other words, if you have a circuit breaker rated for 20 amps and your air conditioner pulls 40 amps all of a sudden, the breaker will trip. 

Pulling too many amps (or too much power) is not the only electrical problems that cause circuit breakers to trip, but it is the most common when it comes to issues with air conditioners. 

There are many reasons why your air conditioner could be drawing too many amps and tripping the breaker. Let’s cover the most common reasons an AC unit repeatedly trips a breaker and what you can do about them. 

Dirty or Clogged Air Filter

A  dirty air filter causes terrible air quality  in the home and blocks most of the airflow from the AC unit. It also puts undue stress on the air conditioning unit by making it work harder and for more extended periods just to lower the temperature by just a few degrees. 

When the air filter is clogged and packed with enough dust and dirt to prevent airflow, the air conditioner kicks into high gear and runs longer. While it is struggling to keep up with the home’s cooling demands, it could very likely pull more amps through the breaker than its maximum rating. 

If it pulls too many amps, it will repeatedly trip the circuit breaker. The fix for this scenario is simple – turn off the AC unit, then clean the air filter or replace it. If the air filter is so dirty that it is blocking airflow, your evaporator coils are quite possibly caked in dust too.

To clean your evaporator coils and fins, use a vacuum cleaner with a soft bristle attachment to brush and suck out all the dust from the coils and fins. Once you have everything all clean in your air handling unit, turn the air conditioner back on and observe if it trips the breaker. If it does, you have another problem and should continue troubleshooting. 

Note:  You should change your air conditioner’s filter every 45 to 90 days. You can go longer, but you will be sacrificing maximum efficiency and air quality. Never go more than six months before replacing your filter. 

Clogged and Dirty Condenser Coils

The condenser unit of your air conditioning system is the device that sits outside your home. It’s commonly called the “outdoor unit,” and it expels the heat that is removed from your home to the outdoors. 

When your condenser coils get dirty, they can get clogged and prevent heat dispersion. If the heat cannot be dispersed normally and efficiently, then the condenser will get overworked, draw too many amps, and trip your breaker. It 

Homeowners can clean the condenser coils. However, we recommend getting them professionally cleaned by an HVAC expert. Our experienced HVAC professionals can clear out your condenser coils without breaking and bending fins, which could cause more damage and decrease the efficiency of your AC unit. 

Low Refrigerant Levels

Having low refrigerant in your air conditioning coils is another way your air conditioning unit ends up drawing too many amps and tripping the breaker. If there is low refrigerant in your AC unit, it has to work longer and harder to cool your home. 

Additionally, if there is low refrigerant in the coils, the air conditioner can quickly overheat and damage other components of the air conditioner. 

Usually, refrigerant leaks are the culprit for low refrigerant levels. To recharge refrigerant and repair leaks, the technician or service person must have  EPA Section 608 certification . Refrigerants containing CFCs and HCFCs are harmful to the ozone, which is why proper training is required for such procedures. 

If you suspect that you have a refrigerant leak, give us a call, and one of our certified HVAC professionals will inspect your refrigerant lines for leaks, repair your leaky AC system, and get it recharged with new refrigerant. All of which would need to be serviced by an HVAC professional.

Broken Outdoor Fan

The outdoor fan spins to blow the hot air extracted from the home off the condenser coils. If the fan has failed, the condenser will try to pull more power to cool down to prevent overheating. This issue often leads to the condensing unit tripping the breaker.

The outdoor fan may be jammed with debris (like a fallen tree branch), the fan belt could be broken, or the motor could have failed. 

Faulty Capacitor or Relay

The relay of the outside unit starts and stops the compressor while the capacitor provides it with enough energy to work. If either of these components burns out or goes bad, it could cause your breaker to trip too. 

A bad capacitor or relay requires replacement for your air conditioner to run, so give our HVAC experts a call today to schedule a repair!

The Compressor is Hard Starting 

The compressor is what moves the refrigerant between your indoor evaporator coils and the outdoor condenser coils. Without it functioning properly, your air conditioner will not transfer heat away correctly to cool your home. For the compressor to start, it needs a more significant amount of energy than when it is just idling. The larger startup current is normal. All pumps and electric motors require more energy to start than they do to run. 

After many years of operation, the compressor could wear down and require an even greater amount of energy to start. When it gets to the point where it struggles with starting (called “hard starting”) and requires much energy, it could get to the point where it trips your breaker. 

Fixing a hard starting compressor can sometimes be fixed with a hard start kit or require a replacement- thankfully, our team of HVAC professionals is waiting for your call for help. 

Shorted Motor

When motors work for many hours and run for many years, the insulation around their wires can wear down. When the insulation becomes worn down enough, the wire can short and pull more current or amps through the motor wire beyond the breaker’s rating and short circuit. 

A shorted motor is yet another problem that is best left to be fixed by our HVAC professionals.

Loose Electrical Connections, Old Parts, and Grounding

Just like a shorted motor, any loose wiring that is shorting or grounding could draw more current than what the breaker can handle. A grounded compressor is an example of a problem that makes breakers trip.

Loose wires and grounding issues are hard to diagnose, especially without proper equipment. Let our team of HVAC technicians help diagnose your problem- give us a call today. 

Faulty Circuit Breaker

Perhaps your tripping breaker has nothing to with your air conditioner, after all. The circuit breaker in your breaker box can be failing. Without proper test equipment, it would be difficult for a homeowner to determine if they have a problem with their AC unit or the AC circuit breaker. 

Our team of AC repair specialists has all the test equipment and tools needed to diagnose and repair any issues you have with your HVAC system – so give us a call for help right away!

Is It Dangerous If My AC Keeps Tripping The Breaker?

An air conditioner that continuously trips a circuit breaker could lead to dangerous consequences.

For example, if the AC unit is tripping the breaker because a wire is shorting out and you turn it back on, that wire  could start a fire . Alternatively, the breaker can be tripping due to the condenser overheating, which could also lead to a fire or additional component burnout. 

Fire is the worst-case scenario and usually doesn’t happen, but to avoid fire- leave your air conditioner off until you get it serviced. 

What Should You Do If Your Air Conditioner Keeps Tripping the Breaker?

If your air conditioning system keeps making your breaker trip, do not keep resetting it. When the circuit breaker trips, keep it off. The reason it is tripping is that there is an issue with a component of your HVAC system. If you keep resetting it, you can cause more damage to your AC unit, leading to more costly repairs. 

For example, if your condenser fan has failed and it keeps resetting the breaker, the outdoor unit can overheat and damage additional components. You can take action yourself by checking and cleaning the filter, evaporator coils, and condenser coils. However, if that doesn’t work, you need professional service. 

Call Our HVAC Specialists For Help

If your air conditioner keeps tripping your breaker after you’ve done some basic DIY troubleshooting and cleaning, you need to give us a call.

An air conditioning tripping your circuit breaker repeatedly is not a healthy one and needs to be professionally serviced to get back in gear. Give us a call today and let our seasoned HVAC pros get your home cool again. 

Lester Mclaughlin

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The Snowiest Cities in the United States

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Are Variable Speed Air Conditioners Worth The Cost?

Air Filter vs. Air Purifier: Is Your HVAC Filter Enough?

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Why Does the AC Keep Tripping the Breaker?

It is not a good sign when your AC keeps tripping breakers. When you turn on your air conditioning and it causes your breaker to trip shortly after it has been turned on, this is usually caused by some underlying problem. This occurs when your AC unit pulls in more power (amps) than the breaker is designed to handle. If you have a heavy-duty air-conditioning unit pulling in more amps than your breaker is rated for, your breaker will trip to prevent a short circuit that could potentially cause damage to your equipment and home. It is critical to address an AC unit that continues to trip the breaker because recurring tripping of the breaker can eventually lead to equipment failure and a potential fire. 

Common Cause Why AC Causes Breakers to Trip

There are several common reasons that an AC might be causing your breaker to trip. The following items should be looked into to check for any problems:

Dirty Air Filter

AC units pull in air any time they are in use and the air needs to be scrubbed to ensure that particulates don’t clog the AC system. All of that air gets pulled in through an air filter that will accumulate dirt, dust, and debris over time. If the air filter is too dirty it will cause the AC unit to work harder to circulate air through your home, causing the unit to draw more power and trip the breaker.

Solution : Change or clean the air filter.

Dirty Outside Unit

Each AC unit has 2 separate components. The interior unit pulls air and absorbs heat using a refrigerant which then pushes the hot air to be pushed outside though the exterior unit. The problem with this setup that sometimes causes breakers to trip, is when the outside unit gets too dirty and cannot disperse the heat properly. The dirt and debris will block the fins that allow air to escape which causes the AC to run harder until the breaker is tripped.

Solution : Clean exterior AC unit and all components of dirt and debris; Professional help is recommended because inexperience and improper cleaning without the proper tools and cleaners can damage the exterior unit.

Dirty Condenser Coils

Condenser coils connect the inside and outside units and transfers the refrigerant which absorbs heat from the inside and then disperses it outside. When the coils are dirty, they are less efficient at energy transfer which prevents the refrigerant from transferring heat. This makes the AC unit work extra hard to cool the air which can trip the breaker.

Solution : Keep condenser coils clean; Professional help is recommended to minimize the potential of damaging the condenser coils.

Refrigerant Leaks

AC units that have not been well maintained may experience cracks, holes, and corrosion that can cause refrigerants to leak. If refrigerant levels are low, the AC unit will work overtime trying to transfer heat outside which will trip the breakers. This is extremely common when there is a slow decline in an AC unit’s efficiency and effectiveness.

Solution : A licensed technician will need to be brought in to replace the refrigerant due to the refrigerant being a regulated chemical that requires EPA training. While they are replacing your refrigerant, they should also find and fix the source of the leak.

Motor Shorted Out

One of the hardest working components of your AC unit is the motor. This component usually runs for hours and over time, the wiring insulation will wear and cause unexpected electrical connections. These connections can cause wires to overheat as they accept more electricity than they can handle which starts fires. Before they reach this point, the overdraw of power will cause a breaker to trip to prevent the fire.

Solution : Have a licensed AC repair technician identify the source of the short and repair electrical components. 

Compressor Problems

The compressor is another critical component of the AC unit that pulls a lot of energy to start. This component wears with use and eventually has trouble starting which can pull too much energy and cause a breaker to trip.

Solution : A licensed AC technician can either install a “hard start kit” which is a capacitor to help support the existing compressor with enough energy to function properly or replace the compressor all together.

Grounded Compressor

A “grounded compressor” indicates that the electrical components inside of the compressor have connected causing a direct short to ground. This destroys the entire compressor and ruins the refrigerant through the entire air conditioning unit. This short circuit causes a power surge that causes the breakers to trip.

Solution : A licensed AC technician will have to replace the compressor and clean the refrigerant lines. The cost of repair may exceed the cost of replacing the exterior unit so replacement may be a better solution than repair.

Loose Wiring & Aging Parts

As an AC unit ages, the components and wiring will also experience wear and tear. Wiring will start to get loose and wiring insulation may wear thin and connect causing short circuits. Electrical components may have transistors that burn out and other elements that may need to be repaired or replaced with time.

Solution : Most wiring and aging parts should be maintained with regular tune-ups and maintenance to help them run longer. That said, depending on the age of the AC unit and the type of wear and tear, it may be time for a new AC unit.

Issue w/ Circuit Breaker

Your circuit breaker is designed to protect your home from surges and short circuits. Over time, the breaker can start to break down as well which could mean that your AC unit might be tripping because of a problem with the circuit breaker and not the AC unit. Check for:

-       Loose / damaged wiring

-       Hot circuit breaker

-       Smell of burning

-       Burn marks

Solution : Have an electrician tighten your breaker connections and replace any old / broken circuit breakers. 

Understanding Your AC Circuit Breaker

While there are several components in your AC unit that could be prompting the breaker to trip, it could also be prompted by your circuit breaker too. Understanding circuit breakers will give you a much better understanding of why it might trip.

• Purpose : Circuit breakers are designed to control how much electricity flows to an appliance.
• Secondary Purpose : If the electrical draw from an appliance becomes too strong or a short circuit occurs causing a power surge, the breaker will trip shutting off the power.

The circuit breaker is designed to cut power when there is an irregularity in electricity flow that could lead to electrical fires or damaged appliances. To return power, just reset the breakers and turn appliances back on. However, if the AC tripping breakers continues, do not keep resetting the breaker as this is a sign that the electrical draw from the AC system is too high. Continuing to reset the breaker under these circumstances could lead to further damage. In this case, it is best to call a licensed AC unit maintenance technician. 

What to Do When Breaker Trips from AC?

Follow these steps when the AC unit causes a circuit breaker trip.

• Turn AC unit off at the thermostat
• Reset the AC unit circuit breaker back to ON
• Wait for 30 minutes to allow your AC unit internal breaker to reset before turning the thermostat back to cool

If there are no major problems, this should resolve the issue and your AC unit should start to cool your home. However, as mentioned before, if the AC unit trips the breaker again or the AC unit is not working at 100%, there is likely a larger problem. Unless this problem is being caused by a dirty air filter, it will likely need to be diagnosed and repaired by a licensed AC repair technician. 

AC Breaker FAQs

When more electricity passes through the wires than they can handle, a surge in heat occurs that can cause an electrical fire. Your AC unit is tripping the breaker because the system is trying to draw more power than the system can handle or there has been a short circuit that caused a power surge. 

The compressor requires enough power to start so a weak capacitor could trigger the compressor to work too hard causing the breaker to trip. 

If it trips once, just follow the steps to reset the breaker. Be sure to allow 30 min for the internal AC unit breaker to reset before turning the thermostat back on. If the breaker continues to trip, then there is another problem that will require fixing. In this instance, it is not recommended to keep resetting the breaker otherwise there is a risk of damage.

There are several components that may take some time before they start to pull too much power which can cause a delay before the breaker is tripped. These components can include the compressor, the coils, and the filter. Each of these could indicate the start of a problem that could get worse so professional help is recommended.

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Portable AC Tripping Breaker? (10 Possible Causes & Fixes)

When the temperatures skyrocket in the summertime, the one appliance that works overtime is the AC . If your portable AC unit keeps tripping the breaker, you can do a few things before calling a service tech. The one thing you do not want to do is keep resetting the breaker if it continues to trip it.

The reason the breaker is designed to trip is to protect the appliances and all electrical equipment. It will also protect your home from burning down. So what are the causes, and what should you do if this keeps occurring?

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An air conditioner will trip mainly because there are more amps getting pulled y the breaker than what the breaker is rated for. So, if you have your portable AC pulling 30 amps on a 20 amp breaker, this will trip it. Don’t keep resetting it as you may cause a fire and harm your AC.

What Do You Do When the Breaker Trips?

These are the steps to follow if the breaker has only tripped one time.

Step 1: Turn off the Unit

Turn off the portable AC Unit from the power switch. Some only have the thermostat to turn it off.

Step 2: Reset the Breaker at the Breaker Box

Go to the breaker box and note the breaker will be in the middle of the ON and OFF switch. Flip the switch to the off position then to the on position.

Step 3: Wait 30 Minutes Then Turn AC On

You must wait for 30 minutes before turning the portable unit back on. This allows the internal circuit breaker of the unit to reset itself. When the 30 minutes is up, turn the AC back on to COOL.

Step 4: Wait and See

When the compressor is on, if the breaker does not trip, it was a power surge. If the breaker keeps tripping, then you will need to call an HVAC certified technician. If the breaker stays on for a time, then kicks off, then keep troubleshooting.

Power Surges Tripping the Breaker

When lightning strikes too close to the home, power lines, transformer, or anything electrical, power surges occur during a thunderstorm. It simply means too much electricity is overloading all of the circuits, and the power goes out. In some cases, it will trip the breaker one time, and it is okay to reset the breakers.

There is nothing anyone on earth can do to prevent power surges. It is something that happens from Mother Nature or even the power companies. If the breakers do not cut off in a power surge, the chances are high; the electrical components will burn.

If the Air Filter is Dirty, The Breaker Can Trip

When everyone talks about maintenance on any air condition, what is the one thing that is stressed? The air filter needs to be cleaned or changed regularly. This calls for once a month to keep the air flowing properly.

If the air is not flowing correctly, then the portable unit works overtime, drawing more amps. When this happens, the breaker will cut off, sparing the unit and the outlet. Once the filter is cleaned or changed, and the breaker stays on, you have solved the number one problem.

The Condenser Coils Are in Need of Cleaning

If the condenser coils are dirty, they can make the AC work overtime to keep the home cool. You can clean them with a vacuum cleaner hose with the brush attachment. There is a kitchen degreaser you can also use to take off the grime if there is some.

You can use spray bottles for the degreaser and use another for regular water to rinse off the coils. Once the coils are clean, try turning the breaker on again. If it kicks off after a while, continue troubleshooting.

For the rest of the steps, there is nothing more you can do. It will take a professional from here on out. Everything else deals with the electrical box or the components of the AC itself.

You will need to separate the two in the troubleshooting steps because it will take two services. One will be an electrician, and the other will be an HVAC service tech. You may get lucky and find one that can do both the box and the AC unit repair.

There May Be a Loose Wire Going to the Breaker

If there is a loose wire, faulty capacitor, or a short circuit in the wires, DO NOT ATTEMPT TO FIX THESE!!! Call a professional when it comes to the electric breaker box. If any of those things are the problem, it will trip the breaker every time.

An Overloaded Circuit Will Shut Off the Breaker

In these situations, the AC is not the problem. The breaker itself may not have enough amperage to cover the AC unit. If the AC is pulling 30 amps off a 20 amp fuse and breaker, it will trip the breaker.

The same applies to all appliances like refrigerators , microwaves, dishwashers, and other large appliances. When these appliances are running at total capacity, a lot can happen. Only an electrician can determine the cause and repair it.

Having a Faulty Fan Motor Can Trip the Breaker

We have covered everything an electrician can do for the breaker box. Now we move on to the HVAC services when the fan motor goes bad. There could be multiple reasons the fan motor goes bad, but usually, the only option is to replace it.

It is something that can strain the unit while pulling too many amps. These types of breakdowns all overload the circuit.

A Few Reasons The Evaporator Coils Are Frozen

These reasons below will freeze up the coils and strain the unit into pulling too much energy. The service tech will evaluate the situation and fix the problem. Afterward, if any of these are the problem, it should solve the breaker issue.

• If the air filter is dirty, the coils will freeze up. (As mentioned earlier this you can fix yourself.)
• The temperature outside may be too cool to run the AC. This will also cause ice on the coils.
• If the system is low on refrigerant, the coils will freeze due to the strain. The breaker may trip if the unit is overworking.

If The Refrigerant is Low Much Can Occur

Refrigerant is like the blood that flows through the system to maintain the proper temperatures. If there is a leak, not only will the coils freeze up, but the portable AC will not blow cool. The number one cause for refrigerant leaks is due to corrosion on the coils from lack of maintenance.

It is also possible the system may be old and did its time. However, cracks and holes develop over time with these issues. If it is one or two leaks, it can be fixed.

The lines and coils will need to be replaced if there is more. Communication will occur if a complete replacement needs to happen. Since this also strains the unit, more energy than usual will cause the breaker to trip.

If the Compressor is Going Out There is Problems

The heart of the unit is the compressor. If this fails, not only will there be breaker problems, you may have to buy a new portable AC. The compressor is the component inside the AC that draws the most amps.

If the compressor strains to come on or go on and off, much power is drawn from the circuit. This would be a huge sign that is the cause of the breaker tripping. If you notice, most of these problems can be avoided by proper maintenance.

A Grounded Compressor Will Shut Down the Breaker

A grounded compressor means the electrical winding within the compressor is broken and has touched the compressor’s side. When this happens, it shorts out the circuit within the component, and it will automatically trip the breaker. Of all the problems, this is the worst.

For sure you will need a new compressor. If there is no more warranty, it is cheaper to buy a new unit.

Related Questions

On the hottest days of summer, the breaker trips. is there anything i can do to stop it.

It sounds like the AC is working overtime. Putting out box fans, keeping the shades closed to block the heat can help. Also, avoid going in and out as much as possible.So much cool air escapes each time the door is open.

What is the cost of energy burned on a portable AC unit?

The prices range from $.07 per hour to $.20 per hour. It also depends on how low the thermostat stays.

What are the safest temperatures to keep the inside of the home?

If you are looking to save money, summertime should be 78 degrees. When you are running the heat in the winter, 68 degrees is the best.

We are a team of passionate homeowners, home improvement pros, and DIY enthusiasts who enjoy sharing home improvement, housekeeping, decorating, and more with other homeowners! Whether you're looking for a step-by-step guide on fixing an appliance or the cost of installing a fence, we've here to help.

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