A/C Breaker Tripping? Any Advice? - HVAC - DIY Chatroom Home Improvement Forum

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Old 06-05-2011, 10:06 PM   #1
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A/C breaker tripping? Any advice?

So the breaker that the a/c unit is on has tripped. If I flip the breaker it immediately trips again. It is an electric heat pump/ac unit. I will say that it is 15 years old. Any idea what could cause this? Is it possible that it is just a fuse? I realize there are a number of things that could cause this....just looking for some advice to help trouble shoot.
Thanks in advance


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Old 06-05-2011, 10:45 PM   #2
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Do you have a switch for the HVAC unit?

If so, turn the unit off, see if the breaker still trips. If the breaker still trips, the problem is not with the AC unit. Normally the AC unit is the only thing on the breaker. Do you know if this is the case?

Try to work backwards from the AC unit and isolate what causes the breaker to flip. If you are able to isolate when it flips and when it doesn't, that will help you isolate the problem (ie breaker, fuse, HVAC unit, wiring problems, etc)


Last edited by AfterDinner; 06-05-2011 at 10:49 PM.
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Old 06-06-2011, 05:32 AM   #3
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Sounds like the compressor is shorted to ground. Might as well call somebody because you'll be needing bids on a new heat pump.
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