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Fan return time

Fan return time for temporary speed change set

Nibe · F1155 Heat Pumps

What does Fan return time mean?

This setting determines how long a temporary fan speed change will remain active before returning to the normal speed. It requires an accessory.

Common Causes

  • Accessory required for this function
  • Temporary fan speed change activated

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the necessary accessory for fan speed control is installed.

  2. 2

    Navigate to Menu 1.9.6.

  3. 3

    Set the desired 'return time' in hours (1-99 h), with a default of 4 h.

Browse all codes in this manual (27)
Verified technical data. Last updated: April 2026

Related Faults

AUX output configurationAUX output configured for specific functionAdditional heat blocked symbolAdditional heat blocked symbol — Immersion heater is not runningAlarm bell iconAlarm bell icon on display — An alarm condition is active
Source: Nibe F1155 Heat Pumps
Open Manual (Page 41)Search more codes in this manual