LG multi V ARUN Series Installation Manual page 99

Display
Master Outdoor Unit Inverter
1
Compressor DC link Low Voltage
Slave1 Outdoor Unit Inverter
2
Compressor DC link Low Voltage
2 3
Slave2 Outdoor Unit Inverter
3
Compressor DC link Low Voltage
Slave3 Outdoor Unit Inverter
4
Compressor DC link Low Voltage
Master Outdoor Unit High
1
Pressure Switch
Slave1 Outdoor Unit High
2
Pressure Switch
2 4
Slave2 Outdoor Unit High
3
Pressure Switch
Slave3 Outdoor Unit High
4
Pressure Switch
Master Outdoor Unit Input Voltage
1
High/ Low Voltage
Slave1 Outdoor Unit Input Voltage
2
High/ Low Voltage
2 5
Slave2 Outdoor Unit Input Voltage
3
High/ Low Voltage
Slave3 Outdoor Unit Input Voltage
4
High/ Low Voltage
Master Outdoor Unit Inverter
1
Compressor Start Failure
Slave1 Outdoor Unit Inverter
2
Compressor Start Failure
2 6
Slave2 Outdoor Unit Inverter
3
Compressor Start Failure
Slave3 Outdoor Unit Inverter
4
Compressor Start Failure
Master Outdoor Unit Inverter DC
1
link High Voltage
Slave1 Outdoor Unit Inverter DC
2
link High Voltage
2 8
Slave2 Outdoor Unit Inverter DC
3
link High Voltage
Slave3 Outdoor Unit Inverter DC
4 link High Voltage
Master Outdoor Unit Inverter
1
Compressor Over Current
Slave1 Outdoor Unit Inverter
2
Compressor Over Current
2 9
Slave2 Outdoor Unit Inverter
3
Compressor Over Current
Slave3 Outdoor Unit Inverter
4
Compressor 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
pressure switch.
System is turned off by slave1 Outdoor Unit high
pressure switch.
System is turned off by slave2 Outdoor Unit high
pressure switch.
System is turned off by slave3 Outdoor Unit high
pressure 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
System is turned off by Master Outdoor Unit DC
Voltage Over Charging
System is turned off by Slave1 Outdoor Unit DC
Voltage Over Charging
System is turned off by Slave2 Outdoor Unit DC
Voltage Over Charging
System is turned off by Slave3 Outdoor Unit DC
Voltage Over Charging
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
Test Run
Cause of Error
Installation Manual 99