Fault Codes / Airwell / P1

AI

Airwell P1

Critical

YHD — Low pressure protection.

Airwell P1: Low pressure protection. This fault typically halts operation and needs immediate attention.

Possible causes

Low refrigerant / stop valve closed.

Check steps

Measure suction, leak test.

Affected parts

Niederdrucksensor
Kältemittel

Safety note

Follow F-Gas.

Source: Airwell YHD/HZ Service Manual

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

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