Code 5442: “enginefan - voltage too low” (Error)

This error code is probably proceeded by the warning code: “enginefan - voltage low”. The same troubleshooting table can be appliedto.

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 fan (reference F3) in the compartmentof the Light Processor Unit. Note that this fan is located betweenthe compartment of the Input & Communication Unit and the Compartmentof the Light Processor Unit.

Check the insulation of the wire unit of the fan. The fan isaccessible by removing a small cover plate inside the compartmentof the Input & Communication Unit.

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

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

Malfunction Fan & Motor Control board.

Replace the Fan & Motor Control board.

Malfunction Power Backplane (bad connection)

Replace the Power Backplane.