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Failed periodic increase

Alarm: Failed periodic increase

NIBE · SMO 20 Control Module

What does Failed periodic increase mean?

This alarm indicates that the SMO 20 system's periodic increase function, which might relate to temperature or pressure adjustments, has failed to execute correctly. This could affect system stability or performance.

Common Causes

  • Incorrect settings for the periodic increase function.
  • Sensor reading issues affecting the periodic increase calculation.
  • Internal system error preventing the function from completing.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Review the settings for 'periodic increase' in the SMO 20 control module's menu.

  2. 2

    Check relevant sensor readings to ensure they are within expected ranges.

  3. 3

    Perform a system reset on the NIBE SMO 20 if the issue persists.

Browse all codes in this manual (54)
Verified technical data. Last updated: April 2026

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Source: NIBE SMO 20 Control Module
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