Question about Dometic Rooftop RV Air Conditioner

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Ihave a probllem with the front dometic A/C not starting it is coupled with front dometic lp gas heater with wall thermostat.(rear has identical) Switched waqllthermostats and power boards on heatersno start. there is 7.? amps on the red wire at the rear thermostat none at the front thermostat.and there is 120 volts st the front A/C ..I dont Know wher the 7.?amps at therm. is supplied from I hope you can help me get the front A/C working.remember when I turn the thermostat on nothing happens & all fuses that I checked are good.Charlie fowler ..E Address is

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There is a fuse inside the control panel of the AC itself. You have to take the cover off (from inside on the ceiling) and look up in there with a flashlight to find it. It is usually a very small amperage fuse. Maybe a 5 amp.

Thanks for contacting Fixya.

Posted on Aug 01, 2010


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Your LP system operates on 1/2 lb of pressure Not much more than a breath of air. Keep this in mind for a minute.

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