Fault Codes / Wolf / 012

WO

Wolf 012

Medium

CHA / BWL — Flow sensor defective.

Wolf 012: Flow sensor defective. This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Sensor faulty or cable break.
Loose/corroded connector.

Check steps

Compare sensor resistance to curve.
Check connectors & wiring.

Affected parts

Vorlauffühler

Safety note

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Source: Wolf resmi Fehlercode-Liste PDF (emax-haustechnik.de) — 012 Kesselfühler def. (Vorlauffühler 1)

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

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