Damaged insulation of the wire unit of the temperature sensor (reference 3 image), which measures the temperature in the channel of the air outlet of the Lamp House. When disconnecting the wire unit of the temperature sensor from the Signal Backplane (reference 2 image) the error code is changed to “lamp - temperature sensor open”.

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

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

Defect temperature sensor (reference 3 image), which measures the temperature in the channel of the air outlet of the Lamp House. When disconnecting the wire unit of the temperature sensor from the Signal Backplane (reference 2 image the error code is changed to “lamp - temperature sensor open”.

Replace the temperature sensor.