Error
—
Code
PF
PP
H0
H2
H4
H6
H8
HA
HC
Outdoor
HE
HJ
HU
G1
G3
G5
G7
G9
GH
GL
GF
GP
Gb
Gn
U0
U3
U5
U8
UC
Debugging
UE
Ud
Uy
Content
Malfunction of charging loop of
driven of compressor
AC current protection of inverter
compressor
Malfunction of driving board of fan
Voltage protection of driving board
power of fan
Drive PFC protection of fan
Drive IPM module protection of fan
Drive IPM high temperature
protection of fan
Malfunction of drive storage chip of
inverter outdoor fan
Malfunction of current detection
circuit of fan drive
Phase-lacking of inverter fan
Failure startup of inverter fan
AC input voltage of drive of inverter
fan
PV anti-islanding protection
PV power generation overload
Phase-lacking protection at power
grid side
Grid over/underfrequency protection
Drive IPM module protection at
power grid side
Photovoltaic DC/DC protection
Grid side hardware overcurrent
protection
DC bus neutral-point potential
unbalance protection
Grid side temperature sensor
protection
Grid side relay protection
Insulation resistance protection
Preheat time of compressor is
insufficient
Power supply phase sequence
protection
Wrong address for driving board of
compressor
Malfunction of pipeline for IDU
Setting of main IDU is succeeded
Charging of refrigerant is invalid
Drive board of grid-connection is
abnormal
PV module over-temperature
protection
GMV Heat Recovery DC Inverter VRF
Error
Code
Failure startup of inverter
PJ
compressor
AC input voltage of drive of inverter
PU
compressor
Driving board of fan operates
H1
abnormally
Reset protection of driving module
H3
of fan
Over-current protection of inverter
H5
fan
Malfunction of drive temperature
H7
sensor of fan
Desynchronizing protection of
H9
inverter fan
High-voltage protection of fan's
HH
drive DC bus bar
Low voltage protection of bus bar of
HL
fan drive
Malfunction of charging loop of fan
HF
drive
HP
AC current protection of inverter fan
G0
PV reversed connection protection
G2
PV DC overcurrent protection
G4
PV leakage current protection
G6
PV LVRT
Overcurrent protection at power
G8
grid side
Low/high input voltage protection at
GA
power grid side
Photovoltaic DC hardware
GC
overcurrent protection
High or low photovoltaic voltage
GE
protection
Grid side module high-temperature
GJ
protection
GU
Charging circuit protection
Gd
Grid side current side protection
Gy
Power protection (PV)
Wrong setting of ODU's capacity
U2
code/jumper cap
U4
Refrigerant-lacking protection
U6
Alarm because valve is abnormal
U9
Malfunction of pipeline for ODU
Emergency operation DIP switch
UL
code of compressor is wrong
Identification malfunction of IDU of
UF
mode exchanger
Communication malfunction
Un
between the drive board of grid-
connection and the main board
Communication malfunction
C0
between IDU, ODU and IDU's wired
controller
72
Content
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