Gree GMV-Y36WL/A-T, Service Manual

Page: 106 / 147

GREE hotovoltaic Multi VRF for North America
104
Error Code Content Error Code Content
H1
Driving board of fan operates
abnormally (uniform)
PU
AC input voltage of drive of inverter
compressor
H2
Voltage protection of driving board
power of fan (uniform)
G0 PV reversed connection protection
H3
Reset protection of driving module of
fan
G1 PV Anti-islanding protection
H4 Drive PFC protection of fan G2 PV DC overcurrent protection
H5 Over-current protection of inverter fan G3 PV power generation overload
H6 Drive IPM module protection of fan G4 PV leakage current protection
H7
Malfunction of drive temperature
sensor of fan
G5
Phase-lacking protection at power grid
side
H8
Drive IPM high temperature protection
of fan
G6
Phase-lacking protection at power grid
side
H9
Desynchronizing protection of inverter
fan
G7 PV LVRT
HA
Malfunction of drive storage chip of
inverter outdoor fan
G8
Overcurrent protection at power grid
side
HH
High-
voltage protection of fan’s drive
DC bus bar
G9
Drive IPM module protection at power
grid side
HC
Drive current detection circuit
malfunction of fan
GA
Low/high input voltage protection at
power grid side
HL
Low-
voltage protection of fan’s drive
DC bus bar
GH Photovoltaic DC\DC protection
HE Phase-lacking of inverter fan GC
Photovoltaic DC hardware overcurrent
protection
HF
Drive charging circuit malfunction of
fan
GL
Grid side hardware overcurrent
protection
HJ Failure startup of inverter fan GE
High or low photovoltaic voltage
protection
HP AC current protection of inverter fan GF
DC bus neutral-point potential
unbalance protection
HU
AC input voltage of drive of inverter
fan
GJ
Grid side module high-temperature
protection
Gd Grid side current sensor protection GP
Grid side temperature sensor
protection
Gn Insulation resistance protection GU Charging circuit protection
Gy
Unrecoverable error of grid drive
(photovoltaic)
Gb Grid side relay protection