Mitsubishi Electric · PUMY Air Conditioners
A duplex address error has been detected, specifically when only an M-NET Remote controller is connected. This causes the air conditioning system to automatically stop operating.
Click steps to track your progress.
Note the 6600 code displayed on your remote controller.
Turn off the main power supply to the system at the circuit breaker.
Verify the address settings for the M-NET remote controller, referring to your installation manual for correct configuration.
Turn the main power supply back on.
If the error persists, contact a qualified service technician to review the M-NET addressing.