LG MULTI V JRUN120LTE5 Installation Manual page 87

Display
Communication Error Between Master
1
Outdoor Unit and Other Outdoor Unit
Communication Error Between Slave1
2
Outdoor Unit and Other Outdoor Unit
1 0 4
Communication Error Between Slave2
3
Outdoor Unit and Other Outdoor Unit
Communication Error Between Slave3
4
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 Fault
1
Error
Slave1 Outdoor Unit FAN IPM Fault
2
Error
1 0 6
Slave2 Outdoor Unit FAN IPM Fault
3
Error
Slave3 Outdoor Unit FAN IPM Fault
4
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
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 Unit 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
ELECTRICAL WIRING
Cause of Error
87