Gree GMV-120WL/C-X, User Manual

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DC Inverter Multi VRF System
35
Error Code Content Error Code Content
(uniform) (uniform)
P1
Driving board of compressor operates
abnormally (uniform)
H1
Driving board of fan operates abnormally
(uniform)
P2
Voltage protection of driving board power of
compressor (uniform)
H2
Voltage protection of driving board power
of fan (uniform)
P3
Reset protection of driving module of
compressor
H3 Reset protection of driving module of fan
P4 Drive PFC protection of compressor H4 Drive PFC protection of fan
P5
Over-current protection of inverter
compressor
H5 Over-current protection of inverter fan
P6 Drive IPM module protection of compressor H6 Drive IPM module protection of fan
P7
Malfunction of drive temperature sensor of
compressor
H7
Malfunction of drive temperature sensor
of fan
P8
Drive IPM high temperature protection of
compressor
H8
Drive IPM high temperature protection of
fan
P9
Desynchronizing protection of inverter
compressor
H9
Desynchronizing protection of inverter
fan
PH
High-voltage protection of compressor’s
drive DC bus bar
HH
High-voltage protection of fan’s drive DC
bus bar
PC
Malfunction of current detection circuit drive
of compressor
HC
Malfunction of current detection circuit of
fan drive
PL
Low voltage protection for DC bus bar of
drive of compressor
HL
Low voltage protection of bus bar of fan
drive
PE Phase-lacking of inverter compressor HE Phase-lacking of inverter fan
PF
Malfunction of charging loop of driven of
compressor
HF Malfunction of charging loop of fan drive
PJ Failure startup of inverter compressor HJ Failure startup of inverter fan
PP
AC current protection of inverter
compressor
HP AC current protection of inverter fan
Ed
Low temperature protection for drive
module
Debugging:
Error Code Content Error Code Content
U0 Preheat time of compressor is insufficient C4 Malfunction of lack of IDU
U2
Wrong setting of ODU’s capacity
code/jumper cap
C5
Alarm because project code of IDU is
inconsistent
U4 Refrigerant-lacking protection C8 Emergency status of compressor
U5
Wrong address for driving board of
compressor
C9 Emergency status of fan
U6 Alarm because valve is abnormal CH Rated capacity is too high
U8 Malfunction of pipeline for IDU CC Malfunction of lack of main control unit
U9 Malfunction of pipeline for ODU CL Rated capacity is too low
UC Setting of main IDU is successful CF Malfunction of multiple main control units
UL Wrong button-dial CJ
Address DIP switch code of system is
shocking
UE Charging of refrigerant is invalid CP Malfunction of multiple wired controller
C0
Communication malfunction between IDU,
ODU and IDU’s wired controller
CU
Communication malfunction between
IDU and the receiving lamp plate
C2
Communication malfunction between main
control and inverter compressor driver
Cb Overflow distribution of IP address
C3
Communication malfunction between main
control and inverter fan driver