Gree GMV-280WL/C-X - Page 35

DC Inverter Multi VRF System
32
b6
Malfunction of inlet temp
sensor of gas-liquid separator
b7
Malfunction of outlet temp sensor
of gas-liquid separator
b9
Malfunction of heat exchanger
temperature sensor
bH
Clock of system is abnormal
P6
Drive IPM module protection
of compressor
P7
Malfunction of drive temperature
sensor of compressor
P8
Drive IPM high temperature
protection of compressor
P9
Desynchronizing protection of
inverter compressor
PH
High-voltage protection of
compressor’s drive DC bus
bar
PC
Drive current detection circuit
malfunction of compressor
PL
Low-voltage protection of
compressor’s drive DC bus
bar
PE
Phase-lacking of inverter
compressor
PF
Drive charging circuit
malfunction of compressor
PJ
Failure startup of inverter
compressor
PP
AC current protection of
inverter compressor
H6
Drive IPM module protection of
fan
H7
Malfunction of drive
temperature sensor of fan
H8
Drive IPM high temperature
protection of fan
H9
Desynchronizing protection of
inverter fan
HH
High-voltage protection of fan’s
drive DC bus bar
HC
Drive current detection circuit
malfunction of fan
HL
Low-voltage protection of fan’s
drive DC bus bar
HE
Phase-lacking of inverter fan
HF
Drive charging circuit malfunction
of fan
HJ
Failure startup of inverter fan
HP
AC current protection of inverter
fan
Outdoor
E0
Malfunction of ODU (uniform)
E1
High-pressure protection
E2
Discharge low-temperature
protection
E3
Low-pressure protection
E4
High discharge temperature
protection of compressor
E5
High discharge temperature
protection of compressor 1
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
J1
Over-current protection of
compressor 1
b1
Malfunction of outdoor ambient
temperature sensor
b2
Malfunction of defrosting
temperature sensor 1
b4
Malfunction of liquid temperature
sensor of sub-cooler
b5
Malfunction of gas
temperature sensor of
sub-cooler
P0
malfunction of driving board of
compressor (uniform)
P1
Driving board of compressor
operates abnormally (uniform)
P2
Voltage protection of driving
board power of compressor
(uniform)
P3
Reset protection of driving
module of compressor
P4
Drive PFC protection of
compressor
P5
Over-current protection of
inverter compressor
H0
Malfunction of driving board of fan
(uniform)
H1
Driving board of fan operates
abnormally (uniform)
H2
Voltage protection of driving
board power of fan (uniform)
H3
Reset protection of driving
module of fan
H4
Drive PFC protection of fan
H5
Over-current protection of
inverter fan
Debugging
U0
Preheat time of compressor is
insufficient
U2
Wrong setting of ODU’s capacity
code/jumper cap
U4
Refrigerant-lacking protection
U5
Wrong address for driving board
of compressor
U6
Alarm because valve is
abnormal
U8
Short-circuit malfunction of IDU
U9
Malfunction of pipe-line for
ODU
UC
Setting of main IDU is successful
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