GMV Heat Recovery DC Inverter VRF
71
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Content
Content
Outdoor
FF
Current sensor of compressor 5 is
abnormal
FJ
Current sensor of compressor 6 is
abnormal
FP Malfunction of DC motor FU
Malfunction of casing top
temperature sensor of compressor
Fb
Malfunction of casing top
temperature sensor of compressor 2
Fd
temperature sensor of mode
Fn
Malfunction of inlet tube temperature
J0 Protection for other modules
J1
Over-current protection of
compressor 1
J2
Over-current protection of
compressor 2
J3
Over-current protection of
compressor 3
J4
Over-current protection of
compressor 4
J5
Over-current protection of
compressor 5
J6
Over-current protection of
compressor 6
J7
Gas-mixing protection of 4-way
valve
J8
High pressure ratio protection of
system
J9
Low pressure ratio protection of
system
JA
Protection because of abnormal
pressure
JC Water flow switch protection JL
Protection because high pressure is
Oil-return pipe is blocked
Oil-return pipe is leaking
b1
Malfunction of outdoor ambient
temperature sensor
b2
Malfunction of defrosting
temperature sensor 1
b3
Malfunction of defrosting
b4
Malfunction of liquid outlet
temperature sensor of sub-cooler
b5
Malfunction of gas outlet
temperature sensor of sub-cooler
b6
Malfunction of inlet tube
temperature sensor of vapor liquid
b7
Malfunction of exit tube temperature
sensor of vapor liquid separator
b8
Malfunction of outdoor humidity
b9
Malfunction of gas temperature
sensor of heat exchanger
bA
Malfunction of oil-return
temperature sensor 1
bH Clock of system is abnormal bE
Malfunction of inlet tube
temperature sensor of condenser
bF
Malfunction of outlet tube
temperature sensor of condenser
bJ
High-pressure sensor and low-
pressure sensor are connected
bP
Malfunction of temperature sensor
bU
Malfunction of temperature sensor
bb
Malfunction of temperature sensor
of oil return 4
bd
Malfunction of gas inlet temperature
sensor of sub-cooler
bn
Malfunction of liquid inlet
temperature sensor of sub-cooler
P0
Malfunction of driving board of
P1
Driving board of compressor
operates abnormally
P2
Voltage protection of driving board
power of compressor
P3
Reset protection of driving module
P4 Drive PFC protection of compressor
P5
Over-current protection of inverter
compressor
P6
Drive IPM module protection of
compressor
P7
Malfunction of drive temperature
P8
Drive IPM high temperature
P9
Desynchronizing protection of
inverter compressor
PA
Malfunction of drive storage chip of
compressor
PH
High-voltage protection of
compressor’s drive DC bus bar
PC
Malfunction of current detection
circuit drive of compressor
PL
Low voltage protection for DC bus
bar of drive of compressor
PE
Phase-lacking of inverter
compressor