Comfee Intermittent Power or Overheat Protection

Dehumidifier or humidifier randomly shuts off and restarts by itself.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Loose power cord connection, Overheating main PCB, Failing internal power supply, Faulty thermal cutout

Safety: Unplug before internal inspection.

Check cord and outlet: Ensure the plug fits tightly in the outlet and the cord is not loose.
Ventilation: Make sure vents are not blocked and the unit is not in an enclosed cabinet.
Inspect PCB: Look for signs of overheating on the main control board. Replace if components appear burnt or discolored.
Thermal cutout: If equipped, test the thermal fuse or thermostat for proper operation and replace if it opens prematurely.

Medium 3/5

Main Control Board

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