Fault Codes / Gree / P4
GMV6 — Inverter power module internal fault.
Gree P4: Inverter power module internal fault. This fault typically halts operation and needs immediate attention.
Source: Gree GMV VRF Service Manual — Fault Code Table
Reviewed by Anıl Güzeldemir — in the refrigeration machine room since 2006, developer of Enthalio.
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