LG ARUN80LN3 Installation Manual page 107

Display
Master Outdoor Unit Subcooling
1
Outlet Temperature Sensor Error
Slave1 Outdoor Unit Subcooling
2
Outlet Temperature Sensor Error
1 1 5
Slave2 Outdoor Unit Subcooling
3
Outlet Temperature Sensor Error
Slave3 Outdoor Unit Subcooling
4
Outlet Temperature Sensor Error
Failure of operation mode conver-
1
sion at Master Outdoor Unit
Failure of operation mode conver-
2
sion at Slave1 Outdoor Unit
1 5 1
Failure of operation mode conver-
3
sion at Slave2 Outdoor Unit
Failure of operation mode conver-
4
sion at Slave3 Outdoor Unit
Master upper part heat exchanger
1
temperature sensor error
Slave1 upper part heat exchanger
2
temperature sensor error
1 5 3
Slave2 upper part heat exchanger
3
temperature sensor error
Slave3 upper part heat exchanger
4
temperature sensor error
Master lower part heat exchanger
1
temperature sensor error
Slave1 lower part heat exchanger
2
temperature sensor error
1 5 4
Slave2 lower part heat exchanger
3
temperature sensor error
Slave3 lower part heat exchanger
4
temperature sensor error
Master Outdoor Unit Constant
1
Speed Compressor Fault
Slave1 Outdoor Unit Constant
2
Speed Compressor Fault
1 7 3
Slave2 Outdoor Unit Constant
3
Speed Compressor Fault
Slave3 Outdoor Unit Constant
4
Speed Compressor Fault
Master outdoor unit rated speed 2
1
condenser over-current
Slave1 outdoor unit rated speed 2
2
condenser over-current
1 7 4
Slave2 outdoor unit rated speed 2
3
condenser over-current
Slave3 outdoor unit rated speed 2
4
condenser over-current
Title
Master Outdoor Unit Subcooling Outlet Temperature
Sensor open or short
Slave1 Outdoor Unit Subcooling Outlet Temperature
Sensor open or short
Slave2 Outdoor Unit Subcooling Outlet Temperature
Sensor open or short
Slave3 Outdoor Unit Subcooling Outlet Temperature
Sensor open or short
Pressure unbalance between Outdoor Units
Pressure unbalance between Outdoor Units
Pressure unbalance between Outdoor Units
Pressure unbalance between Outdoor Units
Master Outdoor Unit upper part temperature sensor
open/short
Slave1 Outdoor Unit upper part temperature sensor
open/short
Slave2 Outdoor Unit upper part temperature sensor
open/short
Slave3 Outdoor Unit upper part temperature sensor
open/short
Master Outdoor Unit lower part temperature sensor
open/short
Slave1 Outdoor Unit lower part temperature sensor
open/short
Slave2 Outdoor Unit lower part temperature sensor
open/short
Slave3 Outdoor Unit lower part temperature sensor
open/short
Comp locking, Check Valve leakage, comp dielectric
break down at Master Outdoor Unit
Comp locking, Check Valve leakage, comp dielectric at
Slave1 Outdoor Unit
Comp locking, Check Valve leakage, comp dielectric at
Slave2 Outdoor Unit
Comp locking, Check Valve leakage, comp dielectric at
Slave3 Outdoor Unit
Master Outdoor Unit rated speed 2 condenser burned /
locked or fault by over-current
Slave1 Outdoor Unit rated speed 2 condenser burned /
locked or fault by over-current
Slave2 Outdoor Unit rated speed 2 condenser burned /
locked or fault by over-current
Slave3 Outdoor Unit rated speed 2 condenser burned /
locked or fault by over-current
Test Run
Cause of Error
Installation Manual 107