Fault Codes / Panasonic / F12

PANASONI

Panasonic F12

Critical

Aquarea — Pressure switch activated

Panasonic F12: Pressure switch activated This fault typically halts operation and needs immediate attention.

Possible causes

Dirty heat exchanger or low air/water flow
Refrigerant overcharge
Faulty pressure switch

Check steps

Check water/air flow and heat exchanger
Measure pressure, check switch

Affected parts

Druckschalter
Wärmetauscher
Umwälzpumpe

Safety note

System may be pressurized — relieve before opening.

Source: Panasonic Aquarea Service Manual PAPAMY1309119CE §16.5.15

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

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