Mitsubishi Electric · Air Conditioners
The outdoor unit LED blinks 9 times with a 2.5-second pause. This indicates that the inverter check mode has started because the compressor's connector is disconnected.
Click steps to track your progress.
Turn off the power to the outdoor unit at the circuit breaker.
Carefully check if the compressor's connector is correctly and securely connected.
Restore power and attempt to operate the unit.
If the error persists, a qualified technician should check the inverter/compressor.