The front AC unit does not turn on while running the generator. The rear AC unit does work on the generator. The front AC unit works hooked up to shore power. So there has to be some link between the front AC and the generator that isn't correct. Any ideas???Thanks in advance.

How big is the generator? Its entirely possible its not capable of running both and other things at the same time so its not wired to be powered that way.Just a guess from a layman.

We just turned on the front one. When it didn't work, turned it off and tried the back. That one worked. Never had a problem before. Of course the one we use the most while traveling is the the front, so really want to solve the mystery.

My coach has a switch that says "front" "back" and it is a double throw switch I can't have both on with generator there is another switch I think that will allow both to run.

Does your coach have a selector switch that determines which AC can be used when on shore power? That's fairly common in 30 amp coaches. On my Coachmen for instance, the switch selects the front or rear AC on shore power, and allows both AC's to run if it's placed in the "Rear" position when our 7KW generator is running. Some coaches want the switch in the "Front" position though, to run both on the generator. Your symptoms do sound like the switch might be in the wrong position for each power mode. What make/model/year coach do you have?

Generator AC question | Good Sam Community

13 Replies

gtp
Explorer
May 12, 2013
We just turned on the front one. When it didn't work, turned it off and tried the back. That one worked. Never had a problem before. Of course the one we use the most while traveling is the the front, so really want to solve the mystery.
Aridon
Explorer
May 12, 2013
How big is the generator? Its entirely possible its not capable of running both and other things at the same time so its not wired to be powered that way.

Just a guess from a layman.
Aridon
Explorer
May 12, 2013
How big is the generator? Its entirely possible its not capable of running both and other things at the same time so its not wired to be powered that way.

Just a guess from a layman.

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Generator AC question

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