Wire units of the temperature sensors are disconnected from the Signal Backplane.

Check if the wire units (reference 3 image "Temp sensor and Peltier connection blue DMD") of the temperature sensors are plugged into their sockets on the Signal Backplane.

Damaged wire unit of the temperature sensors (reference 3 image "Temp sensor and Peltier connection blue DMD") which measures the temperature of the DMD of the blue channel.

1. Repair the wire unit.

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 which measures the temperature of the blue channel.

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.