Question about Dometic Rooftop RV Air Conditioner

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My Duo therm fan come on but when try with cool it's shut off the fuse and if turn the fuse back on would come on for a little while and then off again what shuld I do?

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First thing to check is incoming voltage. If problem with incoming hydro, either from improper cord attached, or whatever that would cause low voltage to unit, that could be the cause, so if you have a meter, try to check that voltage to your RV is up to spec. Let me know

Posted on Jul 19, 2009

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Sounds like thermostat is failing. There is a factory set resistor that helps the thermostat keep a 2 degree accuracy. Second possibility is that you have a fan or direct airflow from the cooling system, being devirted, that is allowing the cool air hit the thermostat on the wall.

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