How do I stop my AC from tripping the breaker?

Author: Vida Bergstrom Sr.  |  Last update: Monday, April 14, 2025

Check your AC air filter. Dirty air filters make your HVAC unit work harder, which can lead to drawing too much electricity and a tripped circuit. Check your AC air filters for visible dirt, dust, or blockages, and wash or replace the existing filters before resetting the breaker again.

What to do if AC keeps tripping breaker?

Clogged air filters interfere with airflow due to dirt and debris. It causes the AC to work harder, drawing more electricity and potentially tripping the breaker. To prevent this, keep your air filters clean or replace them often. Leaking refrigerant might make your air conditioner work harder to keep your home cool.

How do I know if my AC breaker is bad?

How to Tell if a Circuit Breaker Is Bad
  1. It's Frequently Tripping.
  2. You Notice Visible Damage.
  3. It Won't Stay Reset.
  4. It's Hot to Touch.
  5. You Notice a Burning Smell.
  6. You Experienced a Recent Electrical Surge.
  7. Your Breaker Is Old and Worn Out.
  8. You Have an Overloaded Circuit.

How do you fix a breaker that keeps tripping?

To reset a tripped breaker, you simply need to turn it off then back on. If the breaker immediately trips when you reset it, you have a short somewhere. Start by unplugging anything in that circuit and see if the breaker holds. If not, you have a problem in the wiring or inside a receptacle box somewhere.

What to do if 20 amp breaker keeps tripping?

Check for overload

Figure out which area of the house the tripped breaker controls, then turn off and unplug everything in that area. Lights, microwaves, computers, everything. Then go turn on the breaker. If the breaker trips immediately, even with nothing plugged in, it's likely you have a short, not an overload.

AC Keeps Tripping Breaker and The 10 Most Common Reasons Why

Can you prevent a breaker from tripping?

Regularly inspect your electrical system for signs of wear and tear, such as exposed wires or scorch marks near outlets. If you find any issues, repair or replace the faulty components immediately to prevent short circuits and breaker tripping.

How to reset AC breaker?

Turning Off & Resetting Your AC Unit in 4 Simple Steps
  1. Shut it Off.
  2. Get to the Circuit Breaker. So far, so good. ...
  3. Wait 30 Seconds. After turning off the circuit breaker linked to the AC unit, wait for a full minute. ...
  4. Turn it Back On. After waiting for 1 minute, the AC unit will reset on its own.

Can a bad AC capacitor cause the breaker to trip?

Bad Capacitor

A capacitor is responsible for starting the compressor, and if the compressor has trouble starting, it could pull too many amps and trip the breaker.

How to clean air conditioner condenser coils?

These are the steps our technicians take to make your AC's outdoor coil clean and sparkly:
  1. Turn off power to the unit. ...
  2. Check the refrigerant pressure. ...
  3. Remove the outer casing. ...
  4. Rinse the coil down with water. ...
  5. Spray the coil with cleaning chemicals. ...
  6. Re-rinse the coil with water.

How many times can a breaker trip before it needs to be replaced?

Every trip subjects the breaker to mechanical and thermal stress. MCBs are designed to handle a limited number of trips, typically ranging from 10,000 to 20,000 mechanical operations under normal conditions.

How do I find what is tripping my circuit breaker?

Start by turning off all the lights, appliances, and electronic devices in your home. Then, reset the main circuit breaker by switching it off and on. Afterward, turn on each circuit one at a time, and observe which one trips the breaker. Once you've identified the circuit, you can focus on narrowing down the problem.

Can I replace a 15 amp breaker with a 20 amp?

The answer: It's possible, but not advisable without an electrician evaluating the situation. You should never just upgrade from a 15-amp breaker to a 20-amp one just because the current one is tripping. Otherwise, you may burn your house down via electrical fire.

Why do I have to keep resetting my AC unit?

When the circuit trips, resetting your home's AC is likely going to be necessary to get it working again. Another reason you may need to reset the AC is if your unit is blowing warm air when it should be blowing cold air. In cases like this, the culprit might be a thermostat malfunction.

Will an overcharged AC trip a breaker?

The overcharged AC unit is reducing the cooling power of your air conditioning. Due to this reason, the air conditioner is consuming more energy to provide a better result. Excessive energy consumption is synonymous with overheating, which results in short-cycling and circuit breaker tripping.

How do I stop my AC breaker from tripping?

Check your AC air filter.

Dirty air filters make your HVAC unit work harder, which can lead to drawing too much electricity and a tripped circuit. Check your AC air filters for visible dirt, dust, or blockages, and wash or replace the existing filters before resetting the breaker again.

How can I tell if my AC capacitor is bad?

A sure sign of a bad AC capacitor is a humming sound from within the access panel. Any humming noises indicate a problem with the air conditioning system or the components of the AC unit. Try turning the power on and off again to see if it was a one-time issue with the motor or a recurring problem.

How do you fix an AC circuit breaker?

Reset your circuit breaker
  1. Let the unit cool down for about 5 minutes. ...
  2. Turn off your thermostat.
  3. Locate your gray main circuit panel by checking your closets, garage, or basement. ...
  4. Find the AC switch. ...
  5. Push the switch OFF unless it's already OFF. ...
  6. Push the switch ON. ...
  7. Wait for 30 seconds.
  8. Turn your AC back on to test.

How long to leave AC off to reset?

Shut off your system by hitting the isolation switch, wait 30 to 60 minutes and then turn it back on. This manual reboot fully disconnects your AC unit from power, allowing all electrical components to reset.

How do I know if my AC fuse is out?

In addition to a sudden stop, these signs of blown AC fuses require your attention:
  1. Strange sounds are coming from your air conditioning unit.
  2. Your circuit breaker keeps tripping.
  3. Your unit smells like it is burning or gives off the smell of exhaust.
  4. Water is leaking from the unit.

How much does a compressor cost for an air conditioner?

On average, AC compressor costs range from $800 to $2,300, with most folks paying $1,200 for a new one. However, your price will vary depending on factors like the size and brand of your compressor. Before you schedule your replacement, read on to learn about all AC compressor cost factors.

Can you tape a breaker to keep it from tripping?

Considering Taping a Breaker into the 'On' Position? Don't do it!

Should I replace a breaker that keeps tripping?

Signs That It's Time to Replace Your Circuit Breaker

If your breaker seems to be tripping more often than normal, this is a red flag that it can no longer keep up with your home's electrical needs.

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