Panasonic Aquarea H70

High

WH-Serie — Back-up heater OLP abnormality.

Panasonic Aquarea H70: Back-up heater OLP abnormality. This fault noticeably affects operation.

Possible causes

Overload protector tripped/open.
Heater overheated (air/low flow).

Check steps

Measure OLP & heater element.
Check flow, bleed.

Affected parts

Backup-Heizstab
OLP

Safety note

High voltage at heater.

Source: Panasonic Aquarea resmi servis kılavuzu — Panasonic Aquarea WH-SDC09H3E8 Service Manual (ManualsLib p.159): 'Back-up heater OLP abnormality'; German product-training doc 'Aquarea SDC Serie' (manualslib.de p.69): 'Störung Überlastschutz des Innengeräte-E-Heizstabs' — matches app's 'OLP Backup-Heizstab Störung'.

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

Look up in Enthalio →

Related fault codes

Water flow switch abnormality.H62 High pressure sensor abnormality.H64 Indoor/outdoor communication abnormality.H90 Pressure switch activated.F12 Cooling high pressure overload protection.F95 Control panel–indoor communication abnormalityH76