Fault Codes / Hitachi / 03
HIT
Hitachi 03
High
Set Free Sigma / IVX — Indoor/outdoor transmission abnormality
Hitachi 03: Indoor/outdoor transmission abnormality This fault noticeably affects operation.
Possible causes
- Loose terminal or broken transmission line
- Blown fuse / outdoor off
- Incorrect address setting
Check steps
- Check H-LINK wiring continuity
- Check power of both units and fuses
- Verify address/DIP settings
Affected parts
- Platine (Innengerät)
- Platine (Außengerät)
- Sicherung
Safety note
De-energize before wiring work.
Source: Hitachi Alarm Codes, s.3
Reviewed by Anıl Güzeldemir — in the refrigeration machine room since 2006, developer of Enthalio.
Look up in Enthalio →
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