Question about Dometic Rooftop RV Air Conditioner

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No Cold Air

I have a Duo Therm Penguin Rooftop A/C unit Model 600315-321 which is about 4 years old. I turned the unit on this year and no cold air comes out. It also is blowing extremely low that you can hardly feel it with your hand up to the unit. Can you tell me what might be wrong and what I can try to do to fix it myself?

Thanks,

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Have you removed inside filters and cleaned them? have you gone up and removed the cover to see if fins are dirty, or perhaps wasps etc. Does fan only have one speed on thermostat. Does fan run faster on fan only operation? Is it tripping your breaker at all?

Posted on Aug 16, 2008

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