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Why Does my AC Blower Motor Run Constantly


I have a brand new 2021 fifth wheel that has a dometic AC unit on the roof and the AC blower motor runs constantly even when the compressor shuts off, do you know what the fix is for that?


Expert Reply:

While we do not carry Dometic we do have units like the Furrion Chill Replacement RV Air Conditioner for Dometic Brisk Setup part # FACR15SA-W-C that work using the same controls. With your system it sounds as though the controls are turned to the Fan On high or low setting. The thermostat Fan Switch should be set to the Auto setting to turn on and off with the unit itself. This is similar to how you can control the fan separate to your A/C unit in your house.

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