C1 - Communication failure (main-sub PCB)

Was bedeutet C1 ?

Communication has failed between the main and sub printed circuit boards (PCBs).

• Failure of communication between PCBs.
• Fan motor control driver defect.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Power cycle the unit by turning off the breaker for 60 seconds.

2. 2

   Check for any loose connections between the main and sub PCBs.

3. 3

   If the communication error persists, a technician may need to diagnose the PCBs.