Fault Codes / Hitachi / 31

HIT

Hitachi 31

High

Set Free Sigma / IVX — Indoor unit capacity combination error.

Hitachi 31: Indoor unit capacity combination error. This fault noticeably affects operation.

Possible causes

Indoor count/capacity over design.

Check steps

Check count & capacity.

Affected parts

Kein Ersatzteil — Einstellung/Konfiguration prüfen (DIP, Menü, Untercode)

Safety note

Low voltage — work carefully.

Source: Hitachi Set Free Sigma Service Manual

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

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