Question about Dometic Rooftop RV Air Conditioner
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Posted on Jan 02, 2017
The fan motor is getting hot and going off on the internal overload in the motor.
This is caused by either a low voltage, a bad capacitor, or tight or dry bearings in the motor.
To check the bearings turn the power off to the unit, then spin the fan blade if it spins freely then the bearings are ok.
To check the capacitor you will need some kind of
tester or you can buy a capacitor and replace it, that's what a lot of people do. They usually don't cost very much.
To check the voltage you will need a voltmeter and measure the volts at the unit.
Posted on Jun 09, 2009
If it is tripping the breaker when the compressor is trying to kick on, then you probably have a bad start capacitor. Remove the upper shroud and then the small access panel on the side of the unit. Make sure the disconnect power before accessing this panel. In this area, there are two to three capacitors (depending on the model). The start capacitor has a small black relay on top of it, visibly inspect that for char or burn marks, if there are any, then replace that capacitor and relay(PTCR). If there are no burn marks, then you need to have the compressor checked out for shorts or open windings.
Hope this helps,
Posted on Jul 06, 2009
When they sit allot - sometimes the fan will stick.. Take the cover off,, turn it on and see if the fan is stuck.. Spin it by hand to free it up..
Posted on Jul 09, 2009
ANY # DIVISABLE BY 12. MODEL HAS 12-24-30-36-40-48-54-60 12 1 TON 24 2 TON 30 2 1/2 36 3 TON 36.00 BTU 40 3 1/2 48 4 TON 48.00 BTU 54 4 1/2 60 5 TON 60.000 BTU
Posted on Apr 21, 2010
replaced the breaker with a new one sam rating still blows after an hour or so. Temp outside 98 F any ideas. after sundown breaker works fine and so does air conditioner
Posted on Jun 28, 2010
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