HIS

Hisense 5B

Critical

Hi-Flexi — Activation of overcurrent protection (fan controller).

Hisense 5B: Activation of overcurrent protection (fan controller). This fault typically halts operation and needs immediate attention.

Possible causes

Fan motor overloaded or fan controller faulty.

Check steps

Check fan motor and fan controller.

Affected parts

Lüfterregler

Safety note

Discharge capacitors, isolate power.

Source: HMS Intesis KNX - Hisense VRF User Manual, "Error Codes For Indoor And Outdoor Units" p.24-26 (ManualsLib scan of official Intesis gateway manual)

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

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Related fault codes

Communication malfunction.03 Indoor unit drain pan / float switch abnormali01 Outdoor unit — protection shutdown.02 Transmission error indoor ↔ outdoor.04 Power source phases abnormal.05 Abnormal inverter voltage / voltage drop.06