Fault Codes / Aux / Fb

AU

Aux Fb

High

Inverter — Indoor unit DC motor error (floor standing units).

Aux Fb: Indoor unit DC motor error (floor standing units). This fault noticeably affects operation.

Possible causes

Fan motor blocked, faulty, or wiring error.

Check steps

Check fan blade for free rotation, test motor and wiring.

Affected parts

Inneneinheit-Lüftermotor

Safety note

Isolate power, secure fan blade.

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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