I have a 2014 Big Country with 2 15 k AC's. The bedroom unit works fine and we use it during the day mostly. The living room AC is the one giving us problems. It is set to auto and comes on fine and b...
Yes my bet is the thermostat itself. The relay control box in the ceiling would be the long shot. I don't know of any further method of diagnostics. Replacement is only about $30
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