Question about Dometic Rooftop RV Air Conditioner

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My doutherm first it threw a breaker and after

My doutherm is first it threw a breaker and after i let it reset it ran for about 3 min and threw it again so lastly it will run but compressorr kicks off but fan is still blowing keeps disingaging

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Sounds like the thermal overload on the compressor is tripping in and out. This is caused by either a weak thermal overload switch or the compressor is bad. Usually it is the latter of the two. If the compressor is kicking off but the fan is still running, then this is the case. If the entire unit is shutting down due to the breaker tripping, then you may have a bad Start Capacitor or PTCR Device. On the upper unit, remove the shroud and then there is an access panel on the side of the AC. Remove the cover to expose the capacitors. The start capacitor has a small black relay attached to the top of it, make sure that this relay is not burned out. If so, then it will need to be replaced. If it is fine, then I would say that you have a bad compressor of the condenser is dirty.

Posted on Jul 03, 2009

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