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What does COMMBOX error code “SensErr 2” mean?


Error 2 “SensErr 2” will appear when the upper limit sensor is not connected or has short-circuited.


The system will continue to operate regardless of the upper limit temperature.

Required Actions:

  1. Refer to P03 section of the technician settings.
  2. Check the temperature value and disable the sensor if needed.
  3. Replace the sensor.