Code 5553: “tec - voltage low” (Warning)

Situation

Solution

Damaged insulation of the wire unit of one of the six Peltierelements (TEC) causing a short circuit with the projector chassis.Disconnecting the wire unit of the damaged Peltier element from theFormatting Interface Board will clear the warning.

Check the wire units of each Peltier element.

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

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

Malfunction SMPS module. The +VTEC diagnostic LED remains off.

Replace the SMPS module.

Malfunction Fan & Motor Control board.

Replace the Fan & Motor Control board.