Question about Dometic Rooftop RV Air Conditioner

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My duo therm roof top camper air conditioner just shut off and will not come back on. Can hear a click when turning on now but nothing else. Note that heater will not come one either.

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The click that you are hearing is the relay control board in the rooftop unit. This means that you are getting 12V to the board. It sounds like you are not getting 120V to the AC unit. Check the breakers in the breaker panel to make sure they are OK. If they are fine, then turn off the AC for 5 to 10 minutes and try again. There is a thermal protection device in the unit that prevents you from turning it right back on after a shut down. Try putting the thermostat to fan only operation. If the fan does not come on in fan only mode, then you have thrown a breaker.

Hope this helps,

Jeff

Posted on Jul 04, 2009

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