V1-xx — Variable speed controller fault, circuit B

What does V1-xx mean?

There is a fault or alert from the variable speed controller for circuit B. The motor speed will be reduced. The circuit will shut down.

• Variable speed controller is defective.
• Communication error with the controller.
• Overheating of the controller.

Click steps to track your progress.

1. 1

   Check the controller's diagnostic indicators for specific error codes.

2. 2

   Ensure the controller is properly ventilated and not overheating.

3. 3

   Verify all electrical connections to the controller are secure.

4. 4

   If the fault persists, the controller may need replacement.