Info alarm 355 — Sensor calibration failed (different sensor group)

What does 355 mean?

This information alarm signifies that a different group of sensors failed to calibrate successfully during the SMO 20 system's startup. This indicates a problem with another set of sensors.

• Faulty sensor(s) preventing proper calibration.
• Loose or incorrect wiring to the sensor(s).
• Software issue during the calibration process.

Click steps to track your progress.

1. 1

   Check the connections of all sensors to the SMO 20 control module.

2. 2

   Power cycle the NIBE SMO 20 unit to restart the sensor calibration process.

3. 3

   If the alarm persists, identify the specific sensors mentioned in the error details (if available) and inspect them for damage.