Question about Dometic Rooftop RV Air Conditioner
Posted by Anonymous on
Sounds like communication cable from t-stat to board bad or indoor temperture sensor failed.
Posted on Aug 16, 2015
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Posted on Jan 02, 2017
SOURCE: will not shut off
Sounds like a stuck relay on the unit itself. Maybe there is a short in the control wire that comes from the thermostat that activates the fan.
The thermostat probably has one hot wire at all times. The thermostat then chooses which wire to send the voltage down based on your selection. One of those wires is probably for the fan only. Make sure that it is in good condition (no bare, pinched or wires)
Posted on Jun 17, 2008
SOURCE: rv air conditioner leaking
I have the same problem....it is a negative pressure problem holding water inside the unit until it overflows the pan and runs into the duct system. why this occurs....I don't know....I cant find a problem with my air return, but as soon as you turn in off, the water comes gushing out the drains on the unit. I resolved this....temporarily....by twisting up a paper towel into a wick, and placing one end up into the drain tray, with the other end lying well out into the exterior case. This lets the water wick out and keeps the tray drained. I don't understand the problem and don't know what the permanent fix will be, except maybe cutting a hole and placing an intake vent directly below the unit.
Posted on May 11, 2009
Google dometic rooftop air conditioning parts!Wouldnt suggest using off brand parts maybe diffrent?if that one is set up for 12v also maybe deffinatley diffrent!!!Try cleaning condensor aluminum fins on roof top if condensor is dirty will throw whole system out of whack!!!use oven cleaner and hose with nozzle be careful not to bend fins throughly rinse off cleaner after soak period spray off completly off roof and sides quickly!!!!!may damage decals etc!!! anyhow try that before replacing parts then use factory or alike parts!!!Good Luck!!!
Posted on Jun 24, 2009
SOURCE: Duo-therm fan only runs on low
useually a sticking fan relay in the controll board this is the closeest unit to a home based cenral air system and i would leave this one to the experts if you want to trouble shoot there is a detailed wiring diagram on the back side of the pc board cover on the fan and compessor unit it self there is a seperate relay for each speed on your unit make sure getting power to selected relay if not trace wiring and do continutity tests back to themostat
Posted on Aug 01, 2009
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