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Accessory Not Functioning

Accessory Not Functioning — Accessory requires software update

NIBE · SMO 40 Control Module

What does Accessory Not Functioning mean?

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.

Common Causes

  • Outdated software on the SMO 40
  • Accessory incompatibility with the current software version

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the current software version of your SMO 40 by navigating to the 'Service info' menu (menu 3.1) on the display.

  2. 2

    Visit the NIBE Uplink website (nibeuplink.com) and go to the 'Software' tab to find the latest software version for your installation.

  3. 3

    Download the most recent software and follow the instructions provided by NIBE for updating your SMO 40.

  4. 4

    After the software update is complete, restart the SMO 40 and test the functionality of the accessory again.

Browse all codes in this manual (8)
Verified technical data. Last updated: April 2026

Related Faults

+Adjust function requires update+Adjust function not working or accessory requires update — Software update neededAlarm Communication ErrorAlarm Communication Error — Heat Pump not connected during initial setupAlarm communication errorAlarm communication error — Heat Pump connection issue during commissioning
Source: NIBE SMO 40 Control Module
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