Fault Codes / Aux / FA

AU

Aux FA

Medium

Inverter — Suction sensor error.

Aux FA: Suction sensor error. This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Sensor faulty or wiring broken.

Check steps

Measure sensor resistance, check wiring.

Affected parts

Sauggasfühler

Safety note

Isolate power before testing.

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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