ENTHALIO

Fault Codes / Viessmann / 03

VI

Viessmann 03

Medium

Vitocal — Configuration error (limited/no operation).

Viessmann 03: Configuration error (limited/no operation). This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Check steps

Affected parts

Safety note

Isolate power.

Source: Viessmann resmi servis kılavuzu — Serviceanleitung WO1C, section '03 Konfigurationsfehler' (p.87-88): 'Eingeschränkte oder keine Funktion der Wärmepumpe und/oder der Heizungsanlage.' Matches app text exactly.

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

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