Fault Codes / Gree / E3

GR

Gree E3

High

GMV5 / GMV5E — System low pressure protection

Gree E3: System low pressure protection This fault noticeably affects operation.

Possible causes

Refrigerant shortage / leak
Clogged filter / EXV
Evaporator low airflow or icing

Check steps

Measure low pressure, check charge
Leak check
Check filter and EXV

Affected parts

Filtertrockner
Elektronisches Expansionsventil
Niederdrucksensor

Safety note

Ventilate if leak suspected.

Source: Gree North America GMV5 Ultra Heat/Heat Recovery Service Manual JF00303410, Ch.4 Fault Code Table (gree-na.com)

Reviewed by Anıl Güzeldemir — in the refrigeration machine room since 2006, developer of Enthalio.

Look up in Enthalio →

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