Question about Dometic Rooftop RV Air Conditioner
Turn up the thermostat, and normaly you will hear a click from the ignighter and the furnace starts. Other times NO click and the fan just blows cold air
Posted by Anonymous on
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Posted on Jan 02, 2017
If the compressor is running with no cold air the unit is more than likely no good. It can not be recharged. you need a new unit. If the compressor is not running you need to check the capacitors.
Posted on Mar 19, 2009
There could be a freon leak, or just low freon levels. If this is the case, you have to call a certified a/c technician to recharge your system.
Posted on May 19, 2009
If you look at control box at roof unit, they usually use a separate set of wires for furnace. See what colors they are attached to at harness to thermostat. Some just follow other harness, and come out at thermostat. (bypass control box) Once you've determined which 2 they are, join them together & see if furnace starts, as it should. If it does, thermostat is faulty. If not, pull outside cover off & check voltages at furnace. I'm guessing by furnace model that your unit is approx 30 ft , but if it's a park model, you may have 24 volt system on furnace or 12 volt. Another way of confirming is to go to back of furnace where air intake grille is inside your unit, and locate 2 blue wires going to furnace & remove whatever wires are attached to them & connect them together. Furnace should start up.
Posted on Jul 08, 2009
Testimonial: "thanks for the link. info solved my problem."
check one of the following stop the cooling
a- condenser need cleaning
b- condenser fan not operating
1 -check correct voltage comes to the fan motor if ok
2- check capacitor if ok
3-check motor winding
c-low suction pressure
need check for leak before charging.
Posted on Sep 13, 2009
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