Fault Codes / Gree / H0

GR

Gree H0

Medium

GMV6 — Return air temperature sensor failure.

Gree H0: Return air temperature sensor failure. This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Sensor open/short / connector.

Check steps

Check sensor & connector, measure resistance.

Affected parts

Rückluftfühler

Safety note

230V — isolate power.

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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