Fujitsu 97.5

Critical

Airstage V-II — Outdoor unit fan motor temperature abnormal (Error code 97.5).

Fujitsu 97.5: Outdoor unit fan motor temperature abnormal (Error code 97.5). This fault typically halts operation and needs immediate attention.

Possible causes

Fan motor locked or faulty.
Fan motor wiring/control faulty.

Check steps

Check fan motor for free rotation/blockage.
Measure wiring and control signal.

Affected parts

Lüftermotor
Lüfter-PCB

Safety note

Isolate power, secure fan blade.

Source: Fujitsu Airstage V-II VRF Service Manual, "Error Code List For Outdoor Unit" p.65 + "Trouble Shooting With Error Code (Outdoor Unit)" p.82ff (ManualsLib scan of official manual)

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

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Related fault codes

Outdoor unit fan motor lock error (Error code 97.1 Compressor 1 temperature abnormal (Error code A3.1 Initial setting error (main PCB) (Error code 113.1 Communication error between outdoor units (Err14.1 Outdoor unit network communication 1 error (Er14.2 Outdoor unit network communication 2 error (Er14.5