Fault Codes / Gree / F4
GMV6 — Indoor unit address conflict or misconfiguration.
Gree F4: Indoor unit address conflict or misconfiguration. This fault usually isn't an immediate stop, but should be checked soon.
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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