circuit breaker keeps tripping (urgent help needed)

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Old 07-21-14, 04:26 PM
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circuit breaker keeps tripping (urgent help needed)

I have this AC problem and desperately need some advice on what to do.

This is a Amana RHE36A2D (year 2003 model). Lately, circuit breaker keeps tripping. If after flipping it back, it will run for a while, then does it again.

There has been no change on the main electric panel and no electric work at all for the house for last several years.

what might be some causes? I'd appreciate any advice.
 
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Old 07-21-14, 04:31 PM
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Can we assume you mean the breaker for the outside condensor unit ?
Is the fan running on that same outside condensor unit ?

It could also be caused by a defective run/start capacitor.
 
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Old 07-21-14, 04:57 PM
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yes it's for outside. fan spins when AC runs.
capacitor was changed two years ago
 
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Old 07-21-14, 05:00 PM
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You're going to need to see when the breaker trips...... is it when it tries to restart after it's been running or does it trip while it's running.

If the fan seems like it's working ok and not crapping out in the heat..... I'd change the capacitor again. It's an inexpensive logical place to start.
 
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Old 07-21-14, 05:57 PM
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reproducing it will be hard. we dont' know when. this usually happens during the day when my tenants are not at home (presumably when it's really hot). when they got home to realize that the AC was down with circuit breaker tripped.

I called an AC tech. he said it's likely that the fan motor is going bad.
the AC tech said that when motor fan stops working, condenser then will draw more amperage which trips breaker.
not sure if it's right. but the AC tech is busy and can't even work on it.
 
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Old 07-21-14, 06:06 PM
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I'd measure the capacitors, the running and the starting amperage of the compressor and the fan motor.

A visual inspection of the compressor terminals and the wiring to the motor, compressor and crank case heater would also be a good idea.
 
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