Malfunction SMPS module. All other fans also report voltage low error.

Replace the SMPS module. See "Replacement of the Switched Mode Power Supply".

Damaged insulation of the wire unit (reference 2 image "Anode fan connection") of the Anode fan (reference 1 image "Anode fan connection").

Check the insulation of the wire unit of the Anode fan. The Anode fan is located below the compartment of the Light Processor.

1. Repair the insulation of the wire unit using shrink sleeve.

2. If not repairable replace the Anode fan. See "Lamp anode fan".

Malfunction Fan & Motor Control board.

Replace the Fan & Motor Control board. See "Removing a board in the card cage"

Malfunction Signal Backplane (bad connection)

Replace the Signal Backplane. See "Replacement of the signal back plane".