Fault Codes / Vaillant / F.022

flexoTHERM/aroTHERM — Water pressure too low.

Possible causes

• Too little water in heating system.
• Leak in heating circuit.

Check steps

• Check system pressure & top up.
• Check heating circuit for leaks.

Affected parts

• Wasserdrucksensor

Safety note

Source: Vaillant resmi servis kılavuzu — Bağımsız yeniden fetch (ManualsLib sayfa 38): F.022 = 'Water pressure too low' — kodbazı ile birebir örtüşüyor.

Reviewed by Anıl Güzeldemir — in the refrigeration machine room since 2006, developer of Enthalio.

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