Fault Codes / Aux / P2

AU

Aux P2

Medium

Inverter — High-pressure switch protection.

Aux P2: High-pressure switch protection. This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Condenser poor airflow, refrigerant overcharge, or fan failure.

Check steps

Clean condenser, check fan, verify charge.

Affected parts

Hochdruckschalter

Safety note

Refrigerant under pressure — use PPE.

Source: AUX Air Conditioner Error Codes Reference, official auxair.com/global/error-codes.html (© 2024 AUX)

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

Look up in Enthalio →

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