AC unit humming when I turn off the system.
I have a Dometic brand AC unit with a analog thermostat. When I turn the thermostat to off there is a humming noise coming from the AC unit on the roof. The only way it stops is to flip the breaker. T...
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Well I unwired the thermostat and turned the power back on. Still had the humming noise so I am assuming the thermostat isn’t the issue like mentioned. I just unwired the cool and the power from the thermostat.
