Jim,
I have the 30 pilot Rumrunner with same system. The unit onmy boat was just under the refrigerator unit. I had a similar issue and didfind a loose ground wire at the 30 amp power hook up. I also had an issue whileon the hard. I found out it was a three way plug I was using and not the system.Reverse polarity is a problem. Open ground maybe the electric your pluggedinto. Email Pro Mariner and they willsend you the trouble shootingpages foryour unit.
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