LG MULTI V IV PRO ARUN080LLH4 Installation Manual page 85

Display
Communication Error Between
1 Master Outdoor Unit and Other
Outdoor Unit
Communication Error Between
1 0 4 2 Slave1 Outdoor Unit and Other
Outdoor Unit
Communication Error Between
3 Slave2 Outdoor Unit and Other
Outdoor Unit
Master Outdoor Unit Fan PCB
1
Communication Error
Slave1 Outdoor Unit Fan PCB
1 0 5 2
Communication Error
Slave2 Outdoor Unit Fan PCB
3
Communication Error
Master Outdoor Unit FAN IPM
1
Fault Error
Slave1 Outdoor Unit FAN IPM
1 0 6 2
Fault Error
Slave2 Outdoor Unit FAN IPM
3
Fault Error
Master Outdoor Unit Fan DC
1
Link Low Voltage Error
Slave1 Outdoor Unit Fan DC Link
1 0 7 2
Low Voltage Error
Slave2 Outdoor Unit Fan DC Link
3
Low Voltage Error
Master Outdoor Unit Liquid pipe
1
Temperature Sensor Error
Slave1 Outdoor Unit Liquid pipe
1 1 3 2
Temperature Sensor Error
Slave2 Outdoor Unit Liquid pipe
3
Temperature Sensor Error
Title
Failing to receive Slave Unit signal at main PCB of
Master Outdoor Unit
Failing to receive Master and other Slave Unit sig-
nal at main PCB of Slave1 Outdoor Unit
Failing to receive Master and other Slave Unit sig-
nal at main PCB of Slave2 Outdoor Unit
Failing to receive fan signal at main PCB of Mas-
ter unit.
Failing to receive fan signal at main PCB of Slave1
unit.
Failing to receive fan signal at main PCB of Slave2
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
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
Liquid pipe temperature sensor of Master Out-
door 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
ELECTRICAL WIRING
Cause of Error
85