LG Multi V Plus II System Installation Manual page 90

Test Run
Display
Communication Error Between
1
Master Outdoor Unit and Other
Outdoor Unit
Communication Error Between
2
Slave1 Outdoor Unit and Other
Outdoor Unit
1 0 4
Communication Error Between
3
Slave2 Outdoor Unit and Other
Outdoor Unit
Communication Error Between
4
Slave3 Outdoor Unit and Other
Outdoor Unit
Master Outdoor Unit Fan PCB
1
Communication Error
Slave1 Outdoor Unit Fan PCB
2
Communication Error
1 0 5
Slave2 Outdoor Unit Fan PCB
3
Communication Error
Slave3 Outdoor Unit Fan PCB
4
Communication Error
Master Outdoor Unit FAN IPM
1
Fault Error
Slave1 Outdoor Unit FAN IPM
2
Fault Error
1 0 6
Slave2 Outdoor Unit FAN IPM
3
Fault Error
Slave3 Outdoor Unit FAN IPM
4
Fault Error
Master Outdoor Unit Fan DC Link
1
Low Voltage Error
Slave1 Outdoor Unit Fan DC Link
2
Low Voltage Error
1 0 7
Slave2 Outdoor Unit Fan DC Link
3
Low Voltage Error
Slave3 Outdoor Unit Fan DC Link
4
Low Voltage Error
Master Outdoor Unit Liquid pipe
1
Temperature Sensor Error
Slave1 Outdoor Unit Liquid pipe
2
Temperature Sensor Error
1 1 3
Slave2 Outdoor Unit Liquid pipe
3
Temperature Sensor Error
Slave3 Outdoor Unit Liquid pipe
4
Temperature Sensor Error
90 90 Outdoor Unit Outdoor Unit
Title
Failing to receive Slave Unit signal at main PCB of
Master Outdoor Unit
Failing to receive master and other Slave Unit signal at
main PCB of Slave1 Outdoor Unit
Failing to receive master and other Slave Unit signal at
main PCB of Slave2 Outdoor Unit
Failing to receive master and other Slave Unit signal at
main PCB of Slave3 Outdoor Unit
Failing to receive fan signal at main PCB of master
unit.
Failing to receive fan signal at main PCB of Slave1
unit.
Failing to receive fan signal at main PCB of Slave2
unit.
Failing to receive fan signal at main PCB of Slave3
unit.
Instant Over Current at Master Outdoor Unit Fan IPM
Instant Over Current at Slave1 Outdoor Unit Fan IPM
Instant Over Current at Slave2 Outdoor Unit Fan IPM
Instant Over Current at Slave3 Outdoor Unit Fan IPM
Master Outdoor Unit Fan DC Link Input Voltage is
under 380V
Slave1 Outdoor Unit Fan DC Link Input Voltage is
under 380V
Slave2 Outdoor Unit Fan DC Link Input Voltage is
under 380V
Slave3 Outdoor Uni Fan DC Link Input Voltage is
under 380V
Liquid pipe temperature sensor of Master Outdoor Unit
is open or short
Liquid pipe temperature sensor of slave1 Outdoor Unit
is open or short
Liquid pipe temperature sensor of slave2 Outdoor Unit
is open or short
Liquid pipe temperature sensor of slave3 Outdoor Unit
is open or short
Cause of Error