Stiebel Eltron 10048

Critical

WPL / WPMsystem — Low-pressure monitor tripped during cooling.

Stiebel Eltron 10048: Low-pressure monitor tripped during cooling. This fault typically halts operation and needs immediate attention.

Possible causes

Check valve leaking / EXV not working correctly.

Check steps

Check check valve & EXV.
Check charge.

Affected parts

Rückschlagventil
Expansionsventil

Safety note

Follow F-Gas.

Source: Stiebel Eltron resmi servis kılavuzu — PDF p.2 (line 79-82): '10048 Wärmepumpe Der Niederdruckwächter hat im Kühlen ausgelöst. Rückschlagventil undicht...' 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 Low pressure switch triggered.10005 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