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Old 08-09-2012, 10:38 AM   #1
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Join Date: Jun 2011
Location: Houston
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Cool Shore and Gen Power Issues

On our last excursion we ran into power issues, during the last day of our outing our power kept fluctuating and going completly out for about 30 seconds before resetting when on shore power, I thought maybe it was the park so I unplgged from the 50 amp breaker and powered on the Onan 7500 Diesel and experienced the same issue except the generator would die. The common denominator was it would do this when the 2nd AC would kick on. We have a 2002 Fleetwood 37U. The appliances I had on at the time were the AC's, a water heater (in a/c mode) and a couple of the DC lights and 1 A\C florecent light. On shore power the lights would fluctuate before the A/C s would kick in then the power would go dark then reset. On Gen power the the same thing happens then the gen set dies. I am thinking its possible I have a bad breaker in the power box and am replacing them all today but if not has anyone experiencd this before? and if so what was the root cause? Any help is appreciated as I am planning a labor daty fishing trip and would like to fix this issue.

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Old 08-09-2012, 10:51 AM   #2
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Sounds more like there is an issue with the second AC unit. Does everything work and keep working when it is off

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Old 08-09-2012, 11:21 AM   #3
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Sounds like the 2nd AC to me too. Probably the start capacitor is bad causing too much current draw when the compressor starts.
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