COMMBOX-600


Home / Outdoor Controllers / COMMBOX-600

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.

 ER2COMMBOX

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.