Question about Dometic Rooftop RV Air Conditioner
The low cool and low fan works but high cool and high fan does not work at all. I can here a humm on the roof if I try to turn it on.Whats uo
Compressors on these units runs at only one speed. The change to high cool is only a change in blower speed moving air faster over the cooling coil. I would have the running capacitor for the fan motor checked. A bad capacitor can cause your type of problem. The other problem could be that the high speed winding in the fan motor is bad. Try it operation in the fan only position through the two speeds. If it works in the low and high speed for fan only your problem could be in the selector switch.
Posted on Jun 28, 2008
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