Mitsubishi Electric · MSZ-AY Air Conditioners
The upper lamp on the indoor unit blinks 6 times. This indicates a problem with a thermistor located in the outdoor unit, which measures temperatures crucial for efficient operation.
Click steps to track your progress.
Turn off the unit's main power supply, wait a few minutes, then turn it back on to attempt a reset.
If the problem persists, contact a service technician to check the outdoor thermistors.
Do not attempt to operate the unit if the problem continues.