The electronics of the Light Processor Unit remains off due to a low DMD temperature.

Ensure that environmental conditions comply with the operation requirements of the projector. See installation manual of the projector for detailed installation requirements. Let the projector acclimate.

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".