LG Multi V Plus II System Installation Manual page 91

Display
Master Outdoor Unit Subcooling
1
Inlet Temperature Sensor Error
Slave1 Outdoor Unit Subcooling
2
Inlet Temperature Sensor Error
1 1 4
Slave2 Outdoor Unit Subcooling
3
Inlet Temperature Sensor Error
Slave3 Outdoor Unit Subcooling
4
Inlet Temperature Sensor Error
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 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
Excessive increase of Master
1
Outdoor Unit Fan PCB Heat Sink
Temperature
Excessive increase of Slave1
2 Outdoor Unit Fan PCB Heat Sink
Temperature
1 9 3
Excessive increase of Slave2
3 Outdoor Unit Fan PCB Heat Sink
Temperature
Excessive increase of Slave3
4 Outdoor Unit Fan PCB Heat Sink
Temperature
Title
Master Outdoor Unit Subcooling Inlet Temperature
Sensor open or short
Slave1 Outdoor Unit Subcooling Inlet Temperature
Sensor open or short
Slave2 Outdoor Unit Subcooling Inlet Temperature
Sensor open or short
Slave3 Outdoor Unit Subcooling Inlet Temperature
Sensor open or short
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
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 Fan Inverter PCB Temperature is
Over 95°C
Slave1 Outdoor Unit Fan Inverter PCB Temperature is
Over 95°C
Slave2 Outdoor Unit Fan Inverter PCB Temperature is
Over 95°C
Slave3 Outdoor Unit Fan Inverter PCB Temperature is
Over 95°C
Test Run
Cause of Error
Installation Manual 91