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Old 05-21-2011, 07:19 PM   #15
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Ha Ha! That's a funny one! So Terry, what is the little thing on the top of the motor called?
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Old 05-21-2011, 08:53 PM   #16
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Ha Ha! That's a funny one! So Terry, what is the little thing on the top of the motor called?
That's a capacitor. If you grab the terminals, it can really "light up your life".
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Old 05-21-2011, 08:59 PM   #17
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That's a capacitor. If you grab the terminals, it can really "light up your life".
It did just that a few days ago when I was prodding around with the juice on!
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Old 05-21-2011, 10:57 PM   #18
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Cardiac Dysrhythmias.....shocking
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Old 05-24-2011, 09:12 PM   #19
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Angry No rain just heat

Looks like another problem with the A/C and popping the GFCI. Today after having the A/C on for about six hours, the GFCI popped again. No rain. Just a lot of heat. I shut off the A/C and moved the thermostat to the hottest setting. I reset the GFCI and turned on the A/C/ The blower fan came on and ran fine. When I turned the thermostat down, the compressor kicked in and immediately the GFCI popped. That pretty much narrows it down to the compressor and compressor wiring. Maybe something melted. Any ideas?
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Old 05-24-2011, 09:24 PM   #20
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How big

What size is the circuit breaker that keeps tripping?
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Old 05-24-2011, 09:42 PM   #21
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It is a 20A breaker. The breaker doesn't pop. Just the GFCI at the outlet where it is plugged in.
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Old 05-24-2011, 09:45 PM   #22
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What size is the GFI?
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Old 05-24-2011, 09:50 PM   #23
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I took the cover off and looked at it. The receptacle is stamped with "Class A GFCI 20A 125V"
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Old 05-24-2011, 10:40 PM   #24
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I'm "crackin'" up over the plumber jokes. Wink

This may sound weird, but have you put a volt meter to your AS' skin?

A switched neutral and hot running thru a gfci can actually make your trailer a ground.
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Old 05-24-2011, 10:50 PM   #25
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I have not checked the skin with a meter. I'm sure that the wiring is correct. I did check that today.
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Old 05-24-2011, 11:28 PM   #26
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Not enough Power

I think the 20 amp breaker is your problem. Do you have the proper size shore power cord and wiring to a 30 amp receptacle to run it from a 30 amp breaker? Normally in order to run your A/C, you need a 30 amp service. If you try to run it under powered, you can do damage to the A/C motors.
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Old 05-25-2011, 12:11 AM   #27
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I have it isolated to the A/C circuit of the trailer. I don't think it is anything with the house or the house wiring. I have a 100' extension cord that I use to plug the trailer into an outlet inside the house.
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I think the 20 amp breaker is your problem. Do you have the proper size shore power cord and wiring to a 30 amp receptacle to run it from a 30 amp breaker? Normally in order to run your A/C, you need a 30 amp service. If you try to run it under powered, you can do damage to the A/C motors.

Hi, this might be part of the problem?
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Old 05-25-2011, 12:12 AM   #28
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I think the 20 amp breaker is your problem. Do you have the proper size shore power cord and wiring to a 30 amp receptacle to run it from a 30 amp breaker? Normally in order to run your A/C, you need a 30 amp service. If you try to run it under powered, you can do damage to the A/C motors.
Hmmm... the original poster said:

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Even with the A/C off at the thermostat, when I turn on the CB at the CB box it will trip the GFCI.
so the issue is leakage current between hot and ground causing the GFCI to trip; it has nothing to do with an overload condition. Your point is well taken that running A/C systems w/ marginal power is hard on the motors, though.

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