Fault Codes / Stiebel Eltron / 20045

Stiebel Eltron 20045

Critical

WPL / WPMsystem — Compressor speed deviation (setpoint/actual) — LP compressor.

Stiebel Eltron 20045: Compressor speed deviation (setpoint/actual) — LP compressor. This fault typically halts operation and needs immediate attention.

Possible causes

Inverter or compressor not working correctly.

Check steps

Check inverter bus connection.
Check inverter & compressor.

Affected parts

Frequenzumrichter
Verdichter

Safety note

High voltage! Let capacitors discharge.

Source: Stiebel Eltron resmi servis kılavuzu — Stiebel Eltron 'WPM Meldungsliste', DOC-00081866, V2.7, p.3: '20045 Wärmepumpe — Drehzahlabweichung Verdichter zwischen Soll-Wert und Ist-Wert für definierte Zeitspanne (ND-Verdichter bei zwei Verdichtern). Frequenzumrichter oder Verdichter arbeiten nicht korrekt.'

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

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