Question about Dometic Rooftop RV Air Conditioner

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I have two Dometic roof top units both have sepreated controlls. The smaller bedroom unite will not shout off. When turned to off, when the thermostate is lowered, or when the controll is switched to furnace. Still the unite will keep running. The fan can be low or high but the unite will not shout off unless the breaker is opened. I thought the problem may be the wall mounted controll so I switched the one from the front (knowened to be good) to the back bedroom. No change. The bedroom controll works all the functions on the front united as desinged. The bedroom AC will still not shout off, Please advise "Thank You" Mark. Mathertulip@comcast.net

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May be the relay is stuck, you will need to open the unit and see if the relay is releasing when you turn off the breaker. hope this helped tim

Posted on Sep 07, 2010

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