A6 (6606) - Signal communication error with transmission processor (M-NET Remote controller)

What does A6 mean?

The M-NET remote controller for the Mitsubishi Electric PUMY Air Conditioner is experiencing a signal communication error with its transmission processor. This applies only to M-NET remote controllers.

• Faulty M-NET remote controller
• Loose or damaged wiring connections to the remote controller
• Communication line interference
• Faulty transmission processor component

Click steps to track your progress.

1. 1

   Note the error code displayed on the M-NET remote controller.

2. 2

   Power off the Mitsubishi Electric PUMY Air Conditioner system at the main electrical breaker.

3. 3

   Wait for at least 30 seconds, then restore power to the system.

4. 4

   If the error persists, contact a qualified service technician for diagnosis of the remote controller and its wiring.