Fault Codes / Stiebel Eltron / 20065

Stiebel Eltron 20065

High

WPL / WPMsystem — Inverter main fault: inverter IGBTs overtemperature.

Stiebel Eltron 20065: Inverter main fault: inverter IGBTs overtemperature. This fault noticeably affects operation.

Possible causes

Inverter heat sink fouled / high ambient.

Check steps

Clean inverter heat sink.
Check ventilation & ambient temperature.

Affected parts

Frequenzumrichter
Kühlkörper

Safety note

High voltage! Let capacitors discharge.

Source: Stiebel Eltron resmi servis kılavuzu — Same doc, p.3: "20065 | Heat pump | Major inverter fault: Inverter IGBTs excess temperature | Inverter fault"

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

Look up in Enthalio →

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