Panasonic Aquarea H91

High

WH-Serie — Tank heater OLP abnormality.

Panasonic Aquarea H91: Tank heater OLP abnormality. This fault noticeably affects operation.

Possible causes

Tank heater OLP disconnected or activated.

Check steps

Check tank heater OLP & wiring.
Check heater element & water level.

Affected parts

Tankheizung
OLP-Schutz

Safety note

230V & hot water — caution.

Source: Panasonic Aquarea resmi servis kılavuzu — Panasonic Aquarea service documentation (justanswer.co.uk H91 WH-MDC09G3E5/WH-MDF09E3E5 cases; gdhv Help Centre LA-MI article): 'Tank heater OLP abnormality' — tank/immersion booster heater overload protector open circuit — matches app's 'Tankheizung Überlastschutz (OLP) ausgelös…

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Related fault codes

Water flow switch abnormality.H62 High pressure sensor abnormality.H64 Back-up heater OLP abnormality.H70 Indoor/outdoor communication abnormality.H90 Pressure switch activated.F12 Cooling high pressure overload protection.F95