6606 (A6) Signal communication error with transmission processor

What does 6606 (A6) mean?

This error indicates a problem with signal communication to the transmission processor. It's often caused by accidental disturbances like noise or lightning, or a hardware malfunction in the transmission processor.

• Accidental disturbance such as noise or lightning surge.
• Hardware malfunction of transmission processor.

Click steps to track your progress.

1. 1

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

2. 2

   Wait for at least 5-10 minutes to allow the system to fully reset.

3. 3

   Restore power to the unit and observe if the error clears.

4. 4

   If there have been recent lightning storms or power fluctuations, these could be the cause.

5. 5

   If the error persists, contact a qualified technician to check for hardware malfunctions in the transmission processor.