Dometic thermostat malfunction.
This is on a Winnebago 5th wheel.This thermostat can be set to one, two or both ac's.Both units work fine,fan,compressor, but the inside temp setting on the thermostat for the 2nd ac is now starting t...
Forum Discussion
There is a box inside in the overhead unit. Follow the communication cable(telephone wire) from the thermostat to the board. There is also a box with a board on top with the unit. Mine was on the front passenger side of the unit. If there is any cable connectors clean both the cable end and the connector. You can find instructions online by searching. Good luck
