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Gurgling noises

Gurgling noises after commissioning — Air in system

Daikin · Altherma 3 HF

What does Gurgling noises mean?

The system is making gurgling sounds after it was first set up. This typically indicates that there is air trapped within the system that needs to be removed.

Common Causes

  • Air in the heat emitters or collectors

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the user interface for a warning symbol ( 'Error' or 'Malfunction' ).

  2. 2

    If no warning symbol is shown, you can proceed with air purging.

  3. 3

    Ensure the room where you plan to purge air is well-ventilated.

  4. 4

    Purge air from the heat emitters or collectors according to the system's procedure.

Browse all codes in this manual (7)
Verified technical data. Last updated: April 2026

Related Faults

Blinking redBlinking red LED — Malfunction occurredErrorError message on screen — Malfunction detectedHeat pump failureHeat pump failure — Backup heater may take over
Source: Daikin Altherma 3 HF
Open Manual (Page 16)Search more codes in this manual