NIBE SMO 40 Control Module
8 fault codes documented
+Adjust function not working or accessory requires update — Software update needed
If the +Adjust function for underfloor heating or another accessory is not working as expected, it might require a software update for your NIBE SMO 40 control module. An outdated software version can cause compatibility issues.
Accessory Not Functioning — Accessory requires software update
If an accessory, such as the '+Adjust' function, is not working as expected, it may be due to the NIBE SMO 40 control module running an older software version that does not fully support the accessory.
Alarm Communication Error — Heat Pump not connected during initial setup
This alarm typically appears on the SMO 40 display during the initial startup process if the control module cannot detect or communicate with a connected NIBE air/water Heat Pump. This happens when the SMO 40 expects a Heat Pump but none is present or active.
Alarm communication error — Heat Pump connection issue during commissioning
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.
Hot water during cooling cannot be activated — System settings are not configured
The option to charge hot water using the F135 exhaust air Heat Pump while the outdoor module is producing cooling cannot be enabled. This feature requires specific system configuration settings.
Operational interference with no display message — System not working correctly
The NIBE SMO 40 or connected system is experiencing problems or not working as expected, but no specific alarm or error message is shown on the display. This indicates a general operational disturbance.
Red Status Lamp and Alarm Bell — A malfunction has occurred
The NIBE SMO 40 control module or a connected Heat Pump has detected a problem that requires attention. The status lamp on the unit will change from green to a solid red, and an alarm bell icon will appear in the information window on the display.
Red status lamp and alarm bell — Malfunction detected
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.