Fault Codes / Haier / 64
MRV5 IIS (Digitalanzeige-Code) — CT current too low or current sensor failure at the compressor.
Haier 64: CT current too low or current sensor failure at the compressor. This fault typically halts operation and needs immediate attention.
Source: Haier Service Manual MRV5 IIS Mini-Außengeräte (SYJS-06-2021 REV.A), §17 Failure Code — Inverter Outdoor Unit Failure Code table, p.57ff
Reviewed by Anıl Güzeldemir — in the refrigeration machine room since 2006, developer of Enthalio.
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