Fault Codes / Stiebel Eltron / 20033

High

WPL / WPMsystem — Minimum flow temperature undercut (setpoint 6.5 °C).

Possible causes

• Heating flow too low / cooling flow sensor.

Check steps

• Check heating flow rate.
• Check cooling flow sensor.

Affected parts

• Vorlauffühler
• Umwälzpumpe

Safety note

Source: Stiebel Eltron resmi servis kılavuzu — Stiebel Eltron 'WPM Meldungsliste', DOC-00081866, V2.7, p.3: '20033 Wärmepumpe — Minimale Vorlauftemperatur unterschritten; Schaltpunkt 6,5 °C. Heizungsvolumenstrom prüfen. Vorlauffühler Kühlen prüfen.'

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

Look up in Enthalio →

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