Fault Codes / Hitachi / 57
Set Free Sigma / IVX — Outdoor fan motor abnormality.
Hitachi 57: Outdoor fan motor abnormality. This fault noticeably affects operation.
Source: Hitachi RAS-2-HVNP VRF Service Manual, "Alarm Codes For The Outdoor And Indoor Units" p.207 (ManualsLib scan of official manual)
Reviewed by Anıl Güzeldemir — in the refrigeration machine room since 2006, developer of Enthalio.
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