The Compressor on My RV's Air Conditioner Will Not Come On

by Anonymous

I have a Winnebago Minnie Winnie 2000 on a Ford E450 chassis. When I try to run the AC, the unit tries to start but when the compressor seems to start it shuts down. Only the fan continues to run. The unit has a 4KW Onan on board generator.

When I try to run the AC off the generator, when the compressor starts it lugs the generator down to the point it stalls out. I did have it at a campground this past week that had 50 amp service. That’s when I noted that when the compressor tried to start it would kick off. The 50 amp breaker on the service did not trip. Is there something I can do to free up the compressor which seems to be the problem?

I purchased the RV last year. It was used primarily in Fla. It sat for a little over a year in Vermont when I got it.

Thanks
ANSWER: Thanks for submitting your question on our Ask An RV Question Page.

There is no way to free-up the compressor. Based on your description it sounds like you have a bad start or run capacitor on the unit. If the capacitors are good then the problem in all likelihood is a bad compressor.

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The only way to find out for sure is to take your RV in and have the Air Conditioner looked at.

I hope this helps.

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