Gree GMV-335WM/G-X - Troubleshooting Common Issues; Malfunctions, Causes, and Solutions

GMV DC Inverter VRF
66
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Error
Code
Content
Error
Code
Content
Outdoor
E0 Malfunction of ODU E1 High-pressure protection
E2
Discharge low-temperature
protection
E3 Low-pressure protection
E4
High discharge temperature
protection of compressor
Ed
Drive IPM low temperature
protection
F0 Main board of ODU is poor F1
Malfunction of high-pressure
sensor
F3 Malfunction of low-pressure sensor F5
Malfunction of discharge
temperature sensor of compressor
1
F6
Malfunction of discharge
temperature sensor of compressor
2
F7
Malfunction of discharge
temperature sensor of compressor
3
F8
Malfunction of discharge
temperature sensor of compressor
4
F9
Malfunction of discharge
temperature sensor of compressor
5
FA
Malfunction of discharge
temperature sensor of compressor
6
FC
Current sensor of compressor 2 is
abnormal
FL
Current sensor of compressor 3 is
abnormal
FE
Current sensor of compressor 4 is
abnormal
FF
Current sensor of compressor 5 is
abnormal
FJ
Current sensor of compressor 6 is
abnormal
FP Malfunction of DC motor FU
Malfunction of casing top
temperature sensor of compressor
1
Fb
Malfunction of casing top
temperature sensor of compressor
2
Fd
Malfunction of exit tube
temperature sensor of mode
exchanger
Fn
Malfunction of inlet tube
temperature sensor of mode
exchanger
J0 Protection for other modules
J1
Over-current protection of
compressor 1
J2
Over-current protection of
compressor 2
J3
Over-current protection of
compressor 3
J4
Over-current protection of
compressor 4
J5
Over-current protection of
compressor 5
J6
Over-current protection of
compressor 6
J7
Gas-mixing protection of 4-way
valve
J8
High pressure ratio protection of
system
J9
Low pressure ratio protection of
system
JA
Protection because of abnormal
pressure
JC Water flow switch protection JL
Protection because high pressure
is too low
JE Oil-return pipe is blocked JF Oil-return pipe is leaking
b1
Malfunction of outdoor ambient
temperature sensor
b2
Malfunction of defrosting
temperature sensor 1
b3
Malfunction of defrosting
temperature sensor 2
b4
Malfunction of liquid outlet
temperature sensor of sub-cooler
b5
Malfunction of gas outlet
temperature sensor of sub-cooler
b6
Malfunction of inlet tube
temperature sensor of vapor liquid
separator
b7
Malfunction of exit tube
temperature sensor of vapor liquid
separator
b8
Malfunction of outdoor humidity
sensor
b9
Malfunction of gas temperature
sensor of heat exchanger
bA
Malfunction of oil-return
temperature sensor 1
bH Clock of system is abnormal bE
Malfunction of inlet tube
temperature sensor of condenser
bF
Malfunction of outlet tube
temperature sensor of condenser
bJ
High-pressure sensor and low-
pressure sensor are connected
reversely
bP
Malfunction of temperature sensor
of oil-return 2
bU
Malfunction of temperature sensor
of oil return 3
bb
Malfunction of temperature sensor
of oil return 4
bd
Malfunction of gas inlet
temperature sensor of sub-cooler
bn
Malfunction of liquid inlet
temperature sensor of sub-cooler
P0
Malfunction of driving board of
compressor