CodeRegistry
Marken
  1. Startseite
  2. Nibe
  3. Air Conditioning
  4. Defrosting is operational/check filter lamp lit
About·Privacy·Terms

CodeRegistry — Ihre globale Bibliothek für technische Lösungen.

Zu Ihrer Sicherheit: Befolgen Sie immer die offiziellen Herstellerhandbücher. CodeRegistry ist unabhängig und steht in keiner Verbindung zu den genannten Marken.

Defrosting is operational/check filter lamp lit

Filter light lit — Evaporator is iced up

Nibe · Air Conditioning

Was bedeutet Defrosting is operational/check filter lamp lit ?

The 'Defrosting is operational/check filter' lamp stays lit when there is too much ice on the evaporator. The system will automatically defrost and then restart the compressor if heating is needed.

Häufige Ursachen

  • The evaporator is covered in ice
  • Blocked ventilation or dirty filters causing frequent defrosting

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Check if the 'Defrosting is operational/check filter' lamp is lit.

  2. 2

    If the lamp is lit, the system is currently defrosting.

  3. 3

    If defrosting happens frequently, clean the air filters and check ventilation devices for blockages.

  4. 4

    Refer to the 'Maintenance routines' section for instructions on cleaning air filters.

  5. 5

    Ensure the heat pump is switched off and on again if the issue persists after cleaning.

Alle Codes in diesem Handbuch durchsuchen (95)
Verifizierte technische Daten. Zuletzt aktualisiert: April 2026

Verwandte Fehlercodes

107Sensor flt: BT7 HW sens top 107 — Sensor fault: Hot water sensor151Sen flt: CL11- BT51 pool temp sensor 151 — Sensor fault: Pool temperature sensor152Sen flt: CL12- BT51 pool temper- ature sensor 152 — Sensor fault: Pool temperature sensor
Quelle: Nibe Air Conditioning
Open Manual (Page 12)Mehr Codes in diesem Handbuch suchen