Alarm communication error — Heat Pump connection issue during commissioning

What does Alarm communication error mean?

This alarm may appear on the display during the initial commissioning process if the NIBE SMO 40 is started without a connected NIBE air/water Heat Pump, or if the Heat Pump is not properly recognized. It indicates a missing or unconfigured Heat Pump connection.

• Commissioning the SMO 40 without a NIBE air/water Heat Pump physically connected.
• The Heat Pump is connected but not deactivated in the SMO 40 system settings (menu 5.2.2 'installed slaves').

Click steps to track your progress.

1. 1

   If you are commissioning without a NIBE air/water Heat Pump, deactivate the relevant Heat Pump in menu 5.2.2 ('installed slaves').

2. 2

   If a Heat Pump is intended to be connected, ensure it is powered on and properly wired to the SMO 40.

3. 3

   Reset the alarm in the display after making changes to the Heat Pump connection or settings.