Question about Dometic Rooftop RV Air Conditioner
Last year I had a problem with my front a/c unit's compressor not shutting off. Even after I turned the switch to off, I heard a humming from the unit and ended up throwing the feeder breaker to shut it down. Never did figure out what happened. Got it home to check it out and the unit worked properly for the rest of the season.
This weekend it started cycling with the compressor on 1.5-2 mintutes then off for 4-5 minutes. Now the compressor won't even kick in. My back unit is starting the cycling thing also, but not at those short time periods. The units are Duo Therm 13,500 Penguins, model #610015.305. Any ideas?
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Posted on Jan 02, 2017
It sounds like the compressor is locked up. You can try a start boost or hard start kit but once this starts the compressor is on it's way out.
Posted on Feb 26, 2009
I don't think these little units have a start capacitor but what I would do is check that the on/off switch wires to make sure they aren't loose. Also check the wires to the compressor for loose wires as well. It is possible that these are the first signs that the compressor is about to fail. They also can act up some when they haven't been used for awhile and then you try and start them up. Try running the unit for a few hours without asking it to cycle. It might just be a sticky valve.
Posted on Apr 13, 2009
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