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Old 09-04-2012, 02:29 PM   #1
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Join Date: Aug 2010
Location: San Diego
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Roof AC circuit breaker trips randomly problem

Anybody have any idea as to way the circuit breaker trips randomly to the roof AC unit? One time it trip when setting the thermostat from 70 to 75.
I am thinking that the breaker is now weak and needs to be replaced.
Sometimes it will run hour for hours.

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Old 09-04-2012, 03:47 PM   #2
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Try to figure out when it will trip. If its on start-up, theres 2 things to look at first. The Start Capacitor could be getting weak. You can change them out. Second, most AC's have a timer circuit (or device) that keeps the compressor from restarting after less than 3-5 mins because of the head pressure. If the compressor tried to restart with too high a head, it will pull excessive amounts of current.
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