PANASONICA

Panasonic Aquarea F25

High

WH-Serie — Cooling/heating changeover abnormality (4-way valve).

Panasonic Aquarea F25: Cooling/heating changeover abnormality (4-way valve). This fault noticeably affects operation.

Possible causes

4-way valve/coil faulty or stuck.

Check steps

Check 4-way valve coil (resistance) & control.
Observe switchover.

Affected parts

4-Wege-Ventil (Spule)

Safety note

Hot discharge side & follow F-Gas.

Source: Panasonic Aquarea resmi servis kılavuzu — Same source: 'F25 Cooling/Heating cycle changeover abnormality — 4 times occurrence within 30 minutes — 4-way valve / V-coil.'

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 Back-up heater OLP abnormality.H70 Indoor/outdoor communication abnormality.H90 Pressure switch activated.F12 Cooling high pressure overload protection.F95