In combination with +24V errors: Bad wiring connection

Check connector J900 on the LCB and LDM 2. Make sure the cable is properly seated. If problem persists, replace the cable.

In combination with +24V errors: Defective +24V module

Replace the +24V module in LDM 2 (slot 5). See service procedure "Replacing the +36V module".

This error alone, or in combination with other LCB-related errors: Malfunction LCB.

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