HIT

Hitachi 12

Medium

Set Free Sigma / IVX — Outlet air thermistor (indoor unit) fault.

Hitachi 12: Outlet air thermistor (indoor unit) fault. This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Isolate power before testing.

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.