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...
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Could be bad thermostat but at $130 per copy be sure. You can't return electronic items. Clean all contacts where the communication wire runs to. Both where the plug plugs into and on the boards in the AC unit.
