LG ARUV140LTS4 Installation Manual page 79

Display
Master Outdoor Unit Inverter Compres-
1
sor DC link Low Voltage
Slave1 Outdoor Unit Inverter Compres-
2
sor DC link Low Voltage
2 3
Slave2 Outdoor Unit Inverter Compres-
3
sor DC link Low Voltage
Slave3 Outdoor Unit Inverter Compres-
4
sor DC link Low Voltage
Master Outdoor Unit High Pressure
1
Switch
Slave1 Outdoor Unit High Pressure
2
Switch
2 4
Slave2 Outdoor Unit High Pressure
3
Switch
Slave3 Outdoor Unit High Pressure
4
Switch
Master Outdoor Unit Input Voltage
1
High/ Low Voltage
Slave1 Outdoor Unit Input Voltage High/
2
Low Voltage
2 5
Slave2 Outdoor Unit Input Voltage High/
3
Low Voltage
Slave3 Outdoor Unit Input Voltage High/
4
Low Voltage
Master Outdoor Unit Inverter Compres-
1
sor Start Failure
Slave1 Outdoor Unit Inverter Compres-
2
sor Start Failure
2 6
Slave2 Outdoor Unit Inverter Compres-
3
sor Start Failure
Slave3 Outdoor Unit Inverter Compres-
4
sor Start Failure
Master Outdoor Unit Inverter Compres-
1
sor Over Current
Slave1 Outdoor Unit Inverter Compres-
2
sor Over Current
2 9
Slave2 Outdoor Unit Inverter Compres-
3
sor Over Current
Slave3 Outdoor Unit Inverter Compres-
4
sor Over Current
Title
DC charging is not performed at Master Outdoor Unit
after starting relay turn on.
DC charging is not performed at Slave1 Outdoor Unit
after starting relay turn on.
DC charging is not performed at Slave2 Outdoor Unit
after starting relay turn on.
DC charging is not performed at Slave3 Outdoor Unit
after starting relay turn on.
System is turned off by Master Outdoor Unit high pres-
sure switch.
System is turned off by slave1 Outdoor Unit high pres-
sure switch.
System is turned off by slave2 Outdoor Unit high pres-
sure switch.
System is turned off by slave3 Outdoor Unit high pres-
sure switch.
Master Outdoor Unit input voltage is over 487V or below
270V
Slave1 Outdoor Unit input voltage is over 487V or below
270V
Slave2 Outdoor Unit input voltage is over 487V or below
270V
Slave3 Outdoor Unit input voltage is over 487V or below
270V
The First Start Failure by Master Outdoor Unit Inverter
Compressor Abnormality
The First Start Failure by Slave1 Outdoor Unit Inverter
Compressor Abnormality
The First Start Failure by Slave2 Outdoor Unit Inverter
Compressor Abnormality
The First Start Failure by Slave3 Outdoor Unit Inverter
Compressor Abnormality
Master Outdoor Unit Inverter Compressor Fault OR Drive
Fault
Slave1 Outdoor Unit Inverter Compressor Fault OR Drive
Fault
Slave2 Outdoor Unit Inverter Compressor Fault OR Drive
Fault
Slave3 Outdoor Unit Inverter Compressor Fault OR Drive
Fault
ELECTRICAL WIRING
Cause of Error
79