Fault Codes / Viessmann / CC

Viessmann CC

High

Vitocal — Coding plug cannot be read, HP does not start.

Viessmann CC: Coding plug cannot be read, HP does not start. This fault noticeably affects operation.

Possible causes

Coding plug not seated/faulty.
Controller/sensor PCB faulty.

Check steps

Power off, check/re-seat coding plug.
Replace coding plug or PCB.

Affected parts

Codierstecker
Regler-/Sensorleiterplatte

Safety note

De-energise before PCB work.

Source: Viessmann resmi servis kılavuzu — Serviceanleitung WO1C, section 'CC Codierstecker' (p.109): 'Wärmepumpe geht nicht in Betrieb. Ursache: Codierstecker kann nicht gelesen werden.'

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

Look up in Enthalio →

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