Fault Codes / Vaillant / F.520
flexoTHERM/aroTHERM — Sensor fault: flow temperature.
Vaillant F.520: Sensor fault: flow temperature. This fault usually isn't an immediate stop, but should be checked soon.
Source: Vaillant resmi servis kılavuzu — Bağımsız yeniden fetch (ManualsLib sayfa 38): F.520 = 'Sensor fault: Flow temperature' — kodbazı ile birebir örtüşüyor.
Reviewed by Anıl Güzeldemir — in the refrigeration machine room since 2006, developer of Enthalio.
Look up in Enthalio →