Shutdown unexpected.

Check for other error codes related to the projector and resolve these first.

Data cables between LCB (projector side) and Logic board (chiller side) damaged or not properly connected.

Some hard-wired lines are interrupted. Serial communication is still possible.

Check internal and external data cabling between projector (LCB) and chiller (Logic board):

1. Projector internal data connection between LCB and chiller communication port (15 pins SUBD): Reference 1 image.

2. External data cables (from projector to chiller and from to chiller to chiller). Ensure that all thumbscrews are fastened. E.g. reference 2 image.

3. Chiller internal data connection between communication port (15 pins SUBD) and Logic board. Reference 3 image and reference 4 image.

Malfunction Logic board of the chiller.

Replace Logic board. See service manual of the chiller.

Malfunction Electronic FRU

Replace complete Electronics FRU. See service manual of the chiller.

Malfunction LCB

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