Operational interference without display message

What does Operational Interference (No Display Message) mean?

The NIBE SMO S40 system is experiencing problems, but no specific alarm message or code appears on the display. This requires general checks of the power supply and system settings.

• Blown group or main fuses in the accommodation
• Tripped property earth circuit breaker
• Incorrectly set load monitor, especially if current sensors are installed

Click steps to track your progress.

1. 1

   Check the group and main fuses for your accommodation and replace any blown fuses.

2. 2

   Verify that the property's earth circuit breaker has not tripped and reset it if necessary.

3. 3

   Ensure that the load monitor is correctly set, particularly if current sensors are installed.

4. 4

   Examine the measurement values in the 'Operating info' menu (menu 3.1) for any unusual readings.