Mitsubishi Electric · MSZ-EF VE Air Conditioners
The left Operation Indicator lamp flashes six times, followed by a 2.5-second off period. This indicates that the outdoor thermistors (temperature sensors) have shorted or opened circuits during compressor operation, preventing accurate temperature readings.
Click steps to track your progress.
Turn off the main power supply to the air conditioner and then restart it after a brief wait of at least 30 seconds.
Ensure the outdoor unit's surroundings are clear of debris that might affect sensor readings or unit operation.
If the problem continues, the outdoor thermistors may need to be checked and potentially replaced. Refer to the outdoor unit service manual or the 'Check of outdoor thermistor' section (implied in section 10-6) for detailed inspection by a qualified technician.