Damaged wire of the temperature sensor. When disconnecting the wire (reference 6 image) of the temperature sensor from the Signal Backplane the error code is changed to “... is not connected”.

1. Repair the wire. Note that their is an intermediary socket (reference 7 image).

2. If not repairable, replace the temperature sensor and wires. The temperature sensor is located inside the Light Pipe, just above the Pre-Diffuser (reference 8image).

Defect temperature sensor.

Replace the temperature sensor. The temperature sensor is located inside the Light Pipe, just above the Pre-Diffuser (reference 8image).