CARR

Carrier P1

Medium

High pressure protection. Check for overcharge or dirty coils.

Carrier P1: High pressure protection. Check for overcharge or dirty coils. This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Dirty condenser.
Refrigerant overcharge.

Check steps

Measure high pressure & clean condenser.
Check fan & airflow.

Affected parts

Kältemittel
Lüftermotor

Safety note

High pressure – follow F-Gas & wear eye protection.

Source: Carrier X-Power VRF Series Owner's Manual s.7 + 38MGR Series Service Manual s.54 — P1='High-pressure protection'

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

Look up in Enthalio →

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