Why does air conditioner trip circuit breaker?

Break A Breaker No Power To Air Conditioner Tripped AC ...

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Break A Breaker No Power To Air Conditioner Tripped AC Can I Get A ... I have a GE model # AEM14aQL1 air conditioner wallunit 14,200 BTU ...

HVAC HELP! Unit has no power and Fan, Heat and AC are all ...

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Jul 1, 2012 - 10 posts - ‎8 authors
Now, when I attempt to turn on the AC I get no response from the unit. Nothing is blowing out of vents, even when fan mode is set to on. So far I ...

No power to outside AC unit - DoItYourself.com Community Forums

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Jul 5, 2005 - I have an outside AC unit that appears to not get power. The circuit breaker is OK, and the fuse "appears" to be fine, but do not know if there is ... A/C problem, thermostat has no power
Aug 5, 2009
central a/c unit has no power
Sep 29, 2004
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The best guess is that you have a bad thermostat. When the compressor shuts off it has to stay off for a long enough period of time for the low pressure high pressure to equalize. If it turns the compressor off and back on immediately it can't start against the heavy load created by these unequal pressures. If it will start every time after sitting for 10 minutes the thermostat is making it short cycle.

Hello, there is a short to ground somewhere, check all the wiring from the inside un it to the outside unit and make sure nothing is touching metal.

Your unit have dirty coil.
Shut unit off and clean the coil also change filter for indoor unit .Unit is shutting off on high head pressure

The buzzing noise is your contactor drawing in from your thermostat. The fan part of your unit is on a different circuit from your outside A\C unit. Your thermostat is the conductor of the orchestra tying ths units together. It may well be that your A\C circuit breaker has tripped, if it has there is a reason for it's tripping. Resetting the breaker by turning it off then on may get your unit running, but a technician needs to ascertain why it tripped. Or it could be a bad contact switch inside the outside unit not letting enough electricity through the switch. More than likely the first issue. Good Luck

start components are likely bad causing comp to pull high amps tripping breaker careful resetting the breaker they can explode stand off to the side
you need service all so have preventive maintenance done on the unit

well mineswas a blowen compressor

First check the breaker. If it has been tripped then you will surely need a good contractor.

If it has not tripped then double check the thermostat settings and batteries (if applicable). Make sure the fan is set to auto, The cool function has been selected and the temperature has been set low enough for the unit to come on.

If this still does not work then you will still need a technician. This is because there are many more possible failures all of which are relatively dangerous and technical. Good luck!

Check your wiring between the contactor and compressor for a short to ground, or check the compressor windings for short to ground.
With the Tstat off, the contactor should be open so the only way for the compressor to be trying to do anything is if the 110 volts from the unbroken side are traveling through the compressor to ground. Since 110v is not enough to run it, the overload is kicking it out, cooling off, and repeating the cycle. When you kick on the Tstat, the contactor is supplying voltage directly to ground without going through the resistence of the compressor windings and kicking the breaker.
Post back and let me know what you find.

Sounds like you either blew a transformer, have a bad circuit breaker or blew the main fuse in the outside disconnect. If the indoor unit is still blowing air (no matter what temperature) start looking at the power supply to the outdoor unit. From the circuit breaker, the power will go to a small box located within a few feet from the outside unit. This box will have either a lever on the side or you will be able to open the box and pull out the fuses. From this box the power goes to the condensor. The first thing you should do is to turn off the breaker to the outside unit. Flip it back on and if you have a call for cooling, after about 3 minutes the outdoor unit should start. If it does not, shut off power again to the unit by switching off the breaker, go outside and pull out the fuses in the disconnect box. Using a multi meter, check for continuity thru the fuses. If you have continuity, call your technician. If one or both fuses show no sign of continuity, replace the fuse(s). Make sure that the thermostat is working and sending a signal to the indoor air handler. You may be able to check this by turning the fan switch to "Fan" and see if the blower turns on. You may just have a bad thermostst. Caution should be used anytime you are near electrical components. If you do not have the skill-set required to test electrical equipment, leave it to a proffessional.