Fault Codes / NIBE / 220

NI

NIBE 220

Critical

F-Serie — High pressure alarm from outdoor unit.

NIBE 220: High pressure alarm from outdoor unit. This fault typically halts operation and needs immediate attention.

Possible causes

Dirty evaporator / poor circulation.
Refrigerant problem in outdoor unit.

Check steps

Run outdoor-unit troubleshooting.
Check flow & heat exchanger.

Affected parts

Hochdruckwächter Außengerät

Safety note

Refrigerant circuit by technician only.

Source: NIBE Alarm List, Ver.1747-1

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

Look up in Enthalio →

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