Gree U2

Low

GMV6 — Wrong setting of ODU's capacity code/jumper cap

Gree U2: Wrong setting of ODU's capacity code/jumper cap This fault is usually minor, but points to an underlying cause.

Possible causes

Capacity code jumper cap on the main board set incorrectly
Wrong main board installed for this outdoor unit model

Check steps

Check and correct the jumper/capacity code per the nameplate
Power-cycle the unit after correcting the setting

Affected parts

Dış ünite ana kartı

Safety note

De-energize before servicing

Source: Gree resmi servis kilavuzu (bagimsiz cift-dogrulandi) — Gree GMV6 Series Service Manual, ManualsLib (manualslib.com/manual/1906369/Gree-Gmv6-Series.html), fault code table p.77: "U2: Wrong setting of ODU's capacity code/jumper cap" — appears to be in "Chapter 3 Faults" section per independent fetch, not "Chapter 5 Maintenance" as researcher stated (minor chapter-label…

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Related fault codes

High pressure protection triggered.E1 PCB EEPROM read/write error.E0 Condenser fan motor malfunction.E2 Insufficient refrigerant in system.E5 Oil inadequately returning to compressor.E6 Outdoor control board internal error.E7