125
Thermo King
Warning

Check Tank Level Sensor (CR)

Failure in the tank level sensor associated with the Cargo Logger or secondary unit.

Possible causes

  • Defective or dirty level sensor
  • Communication failure between sensor and CR
  • Interrupted sensor wiring
  • Tank capacity calibration error

Recommended actions

  • Manually verify actual fuel level
  • Inspect tank sensor connectors
  • Test continuity in the level circuit
  • Calibrate sensor via service software

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