Remote controller check displays 'OK' - No problems found

What does Remote Controller OK mean?

The remote controller self-check for the Mitsubishi Electric PUMY Air Conditioner indicates that the remote controller itself is functioning correctly. If you are still experiencing issues, the problem likely lies elsewhere in the air conditioning system.

• Remote controller hardware is functional
• Communication with the remote controller is working properly

Click steps to track your progress.

1. 1

   Confirm that the remote controller display shows 'OK' after performing the check.

2. 2

   If the air conditioning system is still not operating as expected, investigate other parts of the system (e.g., indoor or outdoor unit).

3. 3

   Consult the service manual for the indoor unit or outdoor unit for further diagnostics related to specific system errors.