What does 9 mean?

The DC fan motor is damaged, not connected, or its related circuit is broken. The error locks if it occurs 3 times within 30 minutes.

• Loose motor wiring
• The motor is bad
• The PCB is bad

Click steps to track your progress.

1. 1

   Check if the fan motor wires are conductive.

2. 2

   Check if the motor is running.

3. 3

   Power off and rotate the fan motor by hand to see if it turns freely.

4. 4

   Check if the terminal voltage is correct.

5. 5

   Replace the fan motor or the PCB if necessary.