00063
Carrier Transicold
Warning

C3 Box Temp Out of Range

Third compartment (C3) temperature is outside allowable limits.

Possible causes

  • Air obstruction in the third compartment
  • C3 refrigeration solenoid issue
  • Incorrect microprocessor configuration
  • Out-of-calibration C3 temperature sensor

Recommended actions

  • Check airflow and stowage in C3
  • Test C3 solenoid actuation
  • Submerge sensor in ice/water mix to test accuracy
  • Verify rear door airtightness

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