Stiebel Eltron 10005

Critical

WPL / WPMsystem — Low pressure switch triggered.

Stiebel Eltron 10005: Low pressure switch triggered. This fault typically halts operation and needs immediate attention.

Possible causes

Refrigerant leak.
Expansion valve does not open.

Check steps

Check refrigerant for leak, check charge.
Check expansion valve & evaporator fan.

Affected parts

Expansionsventil
Kältemittel

Safety note

Refrigerant by certified personnel only.

Source: Stiebel Eltron resmi servis kılavuzu — PDF p.2 (line 23-24): '10005 Wärmepumpe Der Niederdruckschalter hat ausgelöst. Kältemittel entwichen. Expansionsventil öffnet nicht.' Exact match.

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

Look up in Enthalio →

Related fault codes

High pressure limiter responded.10004 Compressor or starting contactor stuck.10002 Hot gas temperature exceeded the limit.10024 Frost protection monitor triggered in defrost 10015 HP does not rise above LP after compressor sta10027 Compressor thermistor protection relay trigger30054