Code ANA04FBLK: “the engine air temperature sensor of the engine is not connected”

Situation

Solution

Wire of the temperature sensor (reference 1 image) is disconnected from the Signal Backplane.

Check if the wire of the temperature sensor is plugged into its socket on the Signal Backplane (reference 6 image).

Damaged wire of the temperature sensor.

  1. Repair the wire .

  2. If not repairable, replace the temperature sensor (reference 1 image).

Defect temperature sensor. When disconnecting the wire unit of the temperature sensor from the Signal Backplane (reference 5 image) the error code is changed to “... is not connected”.

Replace the temperature sensor (reference 1 image).

Malfunction Cinema Control Board (CCB).

Replace the CCB. See service manual chapter "Replacement of the Cinema Controller".