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Old 06-11-2012, 07:18 PM   #1
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AC question ??????? Coachman encounter

We are traveling , right now in Shreveport , and today while driving the coach, we had our power cord plugged in to the generator, while traveling we had one ac unit running, we used the toaster and then the generator shut off. Then later on in the day we only had one ac unit running off the generator, and the ac breaker kept tripping but the generator didn't shut off, it would run for a half hour then trip. Any suggestions on what would cause this ? We are now at an Rv park and hooked to shore power and the ac has not tripped the breaker. Help please we are headed to the west and need that air running off the generator while driving. My rig is a 2012 coachman encounter 50 amp.
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Old 06-12-2012, 03:38 AM   #2
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Which breaker is tripping? The one in the distribution panel or on the generator itself?
Check connections at the transfer switch and at the location of the tripping breaker. If you have a loose connection, high amperage may result. Also check the air conditioner unit itself to be sure issue is not with it.
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Old 06-12-2012, 01:04 PM   #3
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When the Generator first died was there any chance it was just from low fuel since the generator will not run with less than a 1/4 tank or so? Just a thought.

We had a problem with ours running the front AC unit but not the back on the way home last week. When I got home we just plugged in shore power and everything started working. But no breakers were flipped at all. I think it might have been because I unplugged the shore power at the campground while the AC unit was still running and it may have just freaked it out.

We have had no issues with breakers yet so not sure if the above comments will help at all.

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Old 06-12-2012, 07:42 PM   #4
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The generator will have two breakers mounted on it in addition tot he breakers in the main panel. Be sure one of these did not trip.

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Old 06-12-2012, 07:58 PM   #5
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Check your circuit breaker panel. Look at each circuit breaker and label. Counting from the end that has the main breaker, circuit breakers 1,3,5,7... are on one phase of the 120 volt, while circuit breakers 2,4,6,8... are on the other phase of the 120 volt of your 50 amp service.

On my MH, the electric hot water heater and rear AC are both on the same phase, (Circuit Breakers 4 and 6). I can not run both at the same time or my breaker on my generator will trip. I can run them both on shore power.
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Old 06-13-2012, 05:05 AM   #6
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Quote:
Originally Posted by mgscott4
Check your circuit breaker panel. Look at each circuit breaker and label. Counting from the end that has the main breaker, circuit breakers 1,3,5,7... are on one phase of the 120 volt, while circuit breakers 2,4,6,8... are on the other phase of the 120 volt of your 50 amp service.

On my MH, the electric hot water heater and rear AC are both on the same phase, (Circuit Breakers 4 and 6). I can not run both at the same time or my breaker on my generator will trip. I can run them both on shore power.
Ah ha , I did forget and leave the hot water heater on electric I think. I am going to go check right now. Yep both were on. Driving to new Mexico today will try it out. Thanks
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