Mitsubishi Electric · MSZ-FH Air Conditioners
The indoor fan motor turns OFF. This indicates that the system cannot properly read data from the nonvolatile memory of either the inverter P.C. board or the outdoor electronic control P.C. board.
Click steps to track your progress.
Turn OFF the main power supply to the air conditioner, wait 30 seconds, then turn it back ON.
Attempt to restart the unit using the remote controller.
Ensure the outdoor unit has proper ventilation and is free of obstructions.
If the error persists, contact a qualified service technician for inspection of the outdoor unit's control boards.
Refer to the outdoor unit service manual for additional troubleshooting steps for the outdoor control system.