Indoor unit displays H6 and the indoor fan does not run or runs erratically.

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

Failed DC indoor fan motor on Chigo unit, Faulty Hall sensor inside fan motor, Loose fan motor connector, Defective indoor PCB fan driver

Safety first: Turn off power before opening the indoor unit.

Step 1 – Check for obstructions: Ensure nothing is blocking the blower wheel.
Step 2 – Inspect wiring: Reseat the indoor fan motor connector on the PCB and check for damaged wires.
Step 3 – Test motor: A technician can measure DC voltage and feedback signals between the PCB and motor. If voltage is present but no rotation, replace the indoor DC fan motor.
Step 4 – PCB replacement: If the motor tests good, the indoor main PCB may be faulty and require replacement.

Medium 3/5

Indoor DC Fan Motor

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