Fault Codes / Airwell / P2

AI

Airwell P2

Critical

YHD — Compressor overcurrent.

Airwell P2: Compressor overcurrent. This fault typically halts operation and needs immediate attention.

Possible causes

Compressor overload / winding / high pressure.

Check steps

Measure winding & insulation, check pressure.

Affected parts

Verdichter
Inverter-PCB

Safety note

High voltage! Let capacitors discharge.

Source: Airwell YHD/HZ Service Manual

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

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Related fault codes

Communication error.E6 High pressure protection (outdoor).P0 Low pressure protection.P1 IPM protection / inverter fault.P4 Compressor startup failure.P6 Incorrect phase sequence / phase loss.P7