Wrong motor settings

Upgrade the software to the latest version. See procedure "Software update via Communicator (DC update companion)".

Bad wiring connection

Check connectors J800 and J801 on the LCB and the phosphor wheel motor and speed sensor. Make sure the cable is properly seated. If problem persists, replace the cable.

Defective or blocked phosphor wheel

Replace the phosphor wheel module. See service procedure.

Error appears together with +36V errors.

Problem with +36V module

See error handling of +36V module errors.

Malfunction LCB.

Replace the Laser Control Board (LCB). See service procedure "Replacement of the Laser Control Board".