Red status lamp and alarm bell — Malfunction detected

What does Red status lamp / Alarm bell icon mean?

The NIBE SMO 40 has detected a malfunction that it cannot fix automatically. The status lamp will turn solid red, an alarm bell icon will show in the display, and an 'alarm' menu will be visible.

• A general malfunction in the connected Heat Pump or the control module itself.
• The system cannot automatically resolve the detected problem.

Click steps to track your progress.

1. 1

   Turn the control knob and press OK on the display to view the specific alarm type and its meaning.

2. 2

   Read the 'info / action' section in the display for tips on how to correct the problem.

3. 3

   Try selecting 'reset alarm' in the display. If the status lamp turns green, the issue is resolved.

4. 4

   If the red light remains on and the 'alarm' menu is still visible, the problem persists.

5. 5

   As a temporary measure, you can select 'aid mode' in menu 5.1.4 (if an alarm action is selected) to produce heat/hot water using electric additional heat, but this does not fix the underlying problem.