Question about Dometic Rooftop RV Air Conditioner
I have a 2002 Cardinal with a single unit which is a model # 59516.331, ser. # 140 30176, 15,000 BTU. The compressor comes on and runs for about 1 minute turns off for about 1 minute and then the compressor turns back on. This is repeated all day and night unless the evening temp. and humidity get cool enough to let the unit cycle as it should. I failed to mention above that during the 1 minute cycles the fan continues to run. Any help would be greatly appreciated. I am pretty sure the problem is the thermostat and if so do they sell a digital thermostat for this unit.
You are right the problem is with the thermostat. if this is an all-in-one unit there is a wire that runs from the thermostat to the front of the evaporator coil where the air returns to the system to be cooled. you can try to move the wire further away from the coils and see if it prevents the unit from short-cycling. btw it's not very good for the unit to do what its doing now, as i'm sure you could imagine. if its a separate thermostat i.e. one that runs on 24V and has wires running to the a/c, then just replace it with one from Home Depot and you should be good to go. if it's other than 24V then you will likely have to get a replacement thru the a/c's manufacturer.
Posted on Jun 18, 2009
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Posted on Jan 02, 2017
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