Photovoltaic Multi VRF
32
Error Code
Content
Error Code
Content
Fb
Malfunction of casing top
temperature sensor of compressor 2
JA
Protection because of abnormal
pressure
Fd
Malfunction of exit tube temperature
sensor of mode exchanger
JC
Water flow switch protection
Fn
Malfunction of inlet tube temperature
sensor of mode exchanger
JL
Protection because high pressure is
too low
b1
Malfunction of outdoor ambient
temperature sensor
JE
Oil-return pipe is blocked
b2
Malfunction of defrosting
temperature sensor 1
JF
Oil-return pipe is leaking
b3
Malfunction of defrosting
temperature sensor 2
P0
malfunction of driving board of
compressor (uniform)
b4
Malfunction of liquid temperature
sensor of sub-cooler
P1
Driving board of compressor operates
abnormally (uniform)
b5
Malfunction of gas temperature
sensor of sub-cooler
P2
Voltage protection of driving board
power of compressor (uniform)
b6
Malfunction of inlet temp sensor of
gas-liquid separator
P3
Reset protection of driving module of
compressor
b7
Malfunction of outlet temp sensor of
gas-liquid separator
P4
Drive PFC protection of compressor
b8
Malfunction of outdoor humidity
sensor
P5
Over-current protection of inverter
compressor
b9
Malfunction of gas temperature
sensor of heat exchanger
P6
Drive IPM module protection of
compressor
bA
Malfunction of oil-return temperature
sensor 1
P7
Malfunction of drive temperature
sensor of compressor
bH
Clock of system is abnormal
P8
Drive IPM high temperature
protection of compressor
bE
Malfunction of inlet tube temperature
sensor of condenser
P9
Desynchronizing protection of inverter
compressor
bF
Malfunction of outlet tube
temperature sensor of condenser
PA
Malfunction of drive storage chip of
compressor
bJ
High-pressure sensor and
low-pressure sensor are connected
reversely
PH
High-voltage protection of
compressor’s drive DC bus bar
bP
Malfunction of temperature sensor of
oil-return 2
PC
Drive current detection circuit
malfunction of compressor
bU
Malfunction of temperature sensor of
oil return 3
PL
Low-voltage protection of
compressor’s drive DC bus bar
bb
Malfunction of temperature sensor of
oil return 4
PE
Phase-lacking of inverter compressor
bd
Malfunction of air inlet temperature
sensor of subcooler
PF
Drive charging circuit malfunction of
compressor
bn
Malfunction of liquid inlet
temperature sensor of subcooler
PJ
Failure startup of inverter compressor
H0
Malfunction of driving board of fan
(uniform)
PP
AC current protection of inverter
compressor
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
G9
Drive IPM module protection at power
Summary of Contents for GMV-Y120WL/A-T
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