Fault Codes / Stiebel Eltron / 20051

WPL / WPMsystem — Min. return temperature monitor (heat source).

Possible causes

• Brine circuit temperature too low.

Check steps

• Check brine circuit (pressure/flow/antifreeze).

Affected parts

• Solekreis

Safety note

Source: Stiebel Eltron resmi servis kılavuzu — Stiebel Eltron 'WPM Meldungsliste', DOC-00081866, V2.7, p.3: '20051 Wärmepumpe — Temperaturwächter für minimale Rücklauftemperatur Wärmequelle hat angesprochen. Solekreis überprüfen.'

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

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