Gree GMV-72WM/B-U Owner's Manual page 58

GMV DC Inverter VRF
Error Code
Drive IPM high temperature protection of
P8
compressor
Desynchronizing protection of inverter
P9
compressor
Malfunction of drive storage chip of
PA
compressor
High-voltage protection of compressor's
PH
drive DC bus bar
Malfunction of current detection circuit
PC
drive of compressor
Low voltage protection for DC bus bar of
PL
drive of compressor
PE Phase-lacking of inverter compressor
Malfunction of charging loop of driven of
PF
compressor
PJ Failure startup of inverter compressor
AC current protection of inverter
PP
compressor
AC input voltage of drive of inverter
PU
compressor
F0 Main board of ODU is poor
F1 Malfunction of high-pressure sensor
F3 Malfunction of low-pressure sensor
Malfunction of discharge temperature
F5
sensor of compressor 1
Malfunction of exit-tube temperature
F6
sensor
F7 Malfunction of humidity sensor
F8 Malfunction of water temperature sensor
F9 Malfunction of jumper cap
FA Web address of IDU is abnormal
Debugging:
Error Code
Preheat time of compressor is
U0
insufficient
Wrong setting of ODU's capacity
U2
code/jumper cap
Power supply phase sequence
U3
protection
U4 Refrigerant-lacking protection
Wrong address for driving board of
U5
compressor
U6 Alarm because valve is abnormal
U8 Malfunction of pipeline for IDU
U9 Malfunction of pipeline for ODU
UC Setting of main IDU is succeeded
Emergency operation DIP switch code
UL
of compressor is wrong
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Error Code
H0 Malfunction of driving board of fan
Driving board of fan operates
H1
abnormally
Voltage protection of driving board
H2
power of fan
Reset protection of driving module of
H3
fan
H4 Drive PFC protection of fan
H5 Over-current protection of inverter fan
H6 Drive IPM module protection of fan
Malfunction of drive temperature
H7
sensor of fan
Drive IPM high temperature protection
H8
of fan
Desynchronizing protection of inverter
H9
fan
Malfunction of drive storage chip of
HA
inverter outdoor fan
High-voltage protection of fan's drive
HH
DC bus bar
Malfunction of current detection circuit
HC
of fan drive
Low voltage protection of bus bar of fan
HL
drive
HE Phase-lacking of inverter fan
Malfunction of charging loop of fan
HF
drive
HJ Failure startup of inverter fan
HP AC current protection of inverter fan
HU AC input voltage of drive of inverter fan
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Error Code
Alarm because ODU quantity is
C6
inconsistent
C7 Abnormal communication of converter
C8 Emergency status of compressor
C9 Emergency status of fan
CA Emergency status of module
CH Rated capacity is too high
CC No main unit
The matching ratio of rated capacity for
CL
IDU and ODU is too low
Communication malfunction between
CE
mode exchanger and IDU
Malfunction of multiple main control
CF
units
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