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

What does 6606 mean?

A signal communication error has occurred with the transmission processor, specifically when only an M-NET Remote controller is detected. This causes the air conditioning system to automatically stop operating.

• Issue with the communication wiring for the M-NET remote controller.
• Electromagnetic interference affecting the communication signal.
• A faulty transmission processor within the M-NET system.

Click steps to track your progress.

1. 1

   Note the 6606 code displayed on your remote controller.

2. 2

   Turn off the main power supply to the system at the circuit breaker.

3. 3

   Wait for 1 minute, then turn the main power supply back on.

4. 4

   If the error persists, contact a qualified service technician to check the M-NET communication lines and the transmission processor.