Wire of the temperature sensor is disconnected from the Signal Backplane.

Check if the wire of the temperature sensor is plugged into its socket on the Signal Backplane.

Damaged wire of the temperature sensor.

1. Repair the wire .

2. If not repairable, replace the whole Light Processor Unit. Contact Barco for further instructions to repair the malfunction Light Processor Unit.

Defect temperature sensor.

Replace the whole Light Processor Unit. Contact Barco for further instructions to repair the malfunction Light Processor Unit. It is too critical to replace this temperature sensor in the field. The replacement of this temperature sensor must be done at factory or at an authorized service center. See service procedure "Light Processor replacement process".