HIT

Hitachi 41

Critical

Set Free Sigma / IVX — Cooling overload (possible activation of the high pressure device).

Hitachi 41: Cooling overload (possible activation of the high pressure device). This fault typically halts operation and needs immediate attention.

Possible causes

Condenser poor airflow, refrigerant overcharge, or high outdoor temperature.

Check steps

Clean condenser, check charge and outdoor temperature conditions.

Affected parts

Verflüssiger

Safety note

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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.

Look up in Enthalio →

Related fault codes

High pressure protection activated.02 Indoor/outdoor transmission abnormality03 Power supply phase abnormality (open/reverse)05 Low temperature protection in heating (LP).07 High temperature protection in heating (HP).08 Indoor air thermistor fault.11