Wiring issue Light Sensor cable

Check / reseat the Light sensor cable on the bottom of the light source. Check/reseat the wire unit on the Phosphor Wheel (image) and on the right-hand connector on the light source interconnection board (image).

Wiring issue light source interconnection board

Check / reseat the cable between the left-hand connector on the light source interconnection board (image) and connector J202 on the LCB.

Malfunction LCB

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

Malfunction light source interconnection board, or

Malfunction Light Sensor interconnection board.

Replace the light source. See service procedure "Laser Phosphor Light Source".