Fault Codes / Aux / P3

AU

Aux P3

Critical

Inverter — Lack of refrigerant protection.

Aux P3: Lack of refrigerant protection. This fault typically halts operation and needs immediate attention.

Possible causes

Refrigerant leak in the system.

Check steps

Perform a leak test, repair the leak, restore the charge.

Affected parts

Kältemittel

Safety note

Follow F-Gas rules.

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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