Question about Dometic Rooftop RV Air Conditioner

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Blower wont come on

My duo therm kicks the breaker sometimes. but when it comes on the blower never tries to come on. the low pres line gets nice and cool.my wife is very sick person and has lung trouble. thanks for your help.
bill

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  • william darter
    william darter Aug 23, 2009

    it kicks the breaker the second that i turn the breaker on. and the fan will not come on. sometimes the compressor will come on. and sometime kicks breaker.

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If the blower never tries to come on, then that is why it is tripping the breaker. If the breaker is tripping while the entire unit is running, try cleaning the condenser coil. Go on top of the unit and remove the AC shroud. With a water hose, gently rinse the condenser coil out from the rear. Continue doing this until the water that flows is clear. This should help with the breaker problem, if it does not, then the fan motor is overheating and causing the amperage to go up. What size of breaker is the unit on? Does it trip mainly on hot days? If so then it is the fact that the condenser is dirty.

Posted on Jul 04, 2009

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