Fault Codes / Hitachi / b5
Set Free Sigma / IVX — Incorrect setting of indoor unit number for H-LINK type.
Hitachi b5: Incorrect setting of indoor unit number for H-LINK type. This fault is usually minor, but points to an underlying cause.
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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