Mitsubishi Electric · MSZ-FH Air Conditioners
The AIR PURIFYING lamp flashes two times, indicating that the AIR PURIFYING power control circuit on the indoor electronic control P.C. board is out of order.
Click steps to track your progress.
Turn OFF the power supply to the unit for a few minutes, then turn it back ON.
Follow the 'Check of AIR PURIFYING power' procedure to verify the issue (Refer to section 10-6 in the manual).
Contact an authorized service technician for further diagnosis and repair, as this typically requires replacing the indoor electronic control P.C. board.