Remote controller check displays NG (ALL0, ALL1) - Send-receive circuit fault

What does NG (ALL0, ALL1) mean?

The Mitsubishi Electric PUMY Air Conditioner remote controller's self-diagnosis has found a fault in its internal send-receive circuit. This means the remote controller cannot properly transmit or receive data and likely needs repair or replacement.

• Internal send-receive circuit fault within the remote controller hardware

Click steps to track your progress.

1. 1

   Note the exact error message NG (ALL0, ALL1) displayed on the remote controller.

2. 2

   Perform a system reset by powering off the Mitsubishi Electric PUMY Air Conditioner at the main electrical breaker, waiting 30 seconds, and then restoring power.

3. 3

   If the error persists after resetting, the remote controller is likely faulty and needs replacing.

4. 4

   Contact a qualified service technician for remote controller diagnosis and replacement.