heat pump breaker trip

by Harold
(Richmond, Ky)

My outside unit flips the 220 volt circuit breaker every night. I am fairly sure it is because the emergency heat comes on at night. It s about 20 degrees outside. I was told that the heat pump always kicks breaker when it goes from heat to cool or vice versa.

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Jan 17, 2016
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Coleman heat pump NEW
by: DB

My heat pump keeps tripping the main breaker. This unit has been a disaster ever since I bought it . It was set unleveled which I pointed out to the installer who dismissed me . It cussed the Unit to collect water on low side and then freezing pushing the fan cowling out until the fan locked up. Next after service man said its fixed the fan blade came off tearing up everything . I have had the inside coils replaced the compressor replaced every circuit board one by one failed and were replaced . The HVAC installer I purchased it from was trying to get off cheap but he's cost himself a lot of money . I've had the capacitor changed twice and now it's flipping the main breaker again. I can't keep track of all the problems and fixes this unit has been through due to the vast amount but I believe the breaker tripping was a bad capacitor . I hope that is right . The unit still runs on heat strips alone but when heat pump is turned on breaker trips any ideas?

Jun 05, 2015
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breaker problem - or short overheated parts in unit?
by: Anonymous

Definitely something is wrong. My unit Goodman (noisy like a tractor when it starts up) does not kick the breaker when it switches to auxiliary (emergency) heat. Unit can not handle regular heat below -5F. I was told that it is normal to switch to emergency heat when it is that cold. ( this unit is not made for cold climate either, may only in TX.) I find out when I built a protector wall (plywood) around the outside unit, about 2 feet away from unit that helped and the unit did not switch over to emergency heat after that when it was -15 F or -20 F. Call your service and document the problem with them and keep a copy!

Oct 24, 2014
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Bad circuit breaker
by: Ex-HVAC Instructor

Could be a bad circuit breaker. Sometimes the contacts in the breaker go bad causing the breaker to heat up and trip. Breakers will trip on heat or excessive amp draw. Because the unit runs longer at night because it is colder outside the breaker, if defective, may trip. You might feel the surface of the breaker after the unit has been running for a while to see if it is considerably warmer than the other breakers.

Feb 18, 2014
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heat pump breaker trip - not right
by: Anonymous

Heat pump: Switching from heat to emergency heat should not kick the breaker! Call service, system should not work like that, something is wrong.

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