Mitsubishi Electric · Air Conditioning
This fault indicates that the M-Net system is not responding. Check wiring, ensure the transmission range is not exceeded, and verify the M-Net converter and wiring type.
Click steps to track your progress.
Inspect the A-M-Net wiring for proper connection and integrity.
Confirm that the transmission wiring length does not exceed the maximum allowed.
Check the A-M-Net converter for faults.
Ensure the correct type of wire is used for the M-Net connection.