Question about Dometic Rooftop RV Air Conditioner
Compressor kicks on but fan does not
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: duo-therm by dometic ac rv unit
I suspect that you have a bad selector switch for the on, off, low fan, high fan operation. If the selector switch is put into the off position everything should stop completely.
Posted on May 31, 2008
Sounds like your start capacitor may have gone bad. If you remove the shroud, there should be an access panel for the electronics. In there, you'll see one (or two) cylindrical parts with wires coming out the top. If one of them shows signs of something coming out of it, it's probably your start capacitor and it needs to be replaced.
You can view the installation/service manual for DuoTherms here at Bryant RV.com (it's a 3MB PDF file, so download with care). Look on page 28 for info on the capacitors.
Posted on Oct 13, 2008
I don't think these little units have a start capacitor but what I would do is check that the on/off switch wires to make sure they aren't loose. Also check the wires to the compressor for loose wires as well. It is possible that these are the first signs that the compressor is about to fail. They also can act up some when they haven't been used for awhile and then you try and start them up. Try running the unit for a few hours without asking it to cycle. It might just be a sticky valve.
Posted on Apr 13, 2009
when it is above 85deg. it will run the freon pump. causing the unit to pull more amps for a longer time. try replacing the breaker with a new one of the same raiting. if this fixes the prob. the have a nice day. if not then you need to get it to a repair center and have it checked by a tech.
Posted on Jun 27, 2009
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