Code 5433: “coldmirror fan - voltage low” (Warning)

Situation

Solution

Malfunction SMPS module. All other fans also report voltagelow error.

Replace the SMPS module.

Damaged insulation of the wire unit (reference C) of the cold mirror fan.

Remove the left cover of the projector and check the insulationof the wire unit of the fan above the cold mirror.

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

  2. If not repairable, replace the whole wire unit and fan.

Malfunction Fan & Motor Control board.

Replace the Fan & Motor Control board.

Malfunction Power Backplane (bad connection)

Replace the Power Backplane.

W

Wire unitof the fans and motor units.

C

Cold mirrorfan connection.