LG MULTI V Installation Manual page 97

Display
Omitting connection of R, S, T
1
power of Master Outdoor Unit
Omitting connection of R, S, T
5 0 2
power of Slave1 Outdoor Unit
Omitting connection of R, S, T
3
power of Slave2 Outdoor Unit
Excessive capacity of indoor
5 1 1
units
Transmission error : inverter
1
PCB ' Main PCB
Transmission error : inverter
5 2 2
PCB ' Main PCB
Transmission error : inverter
3
PCB ' Main PCB
Transmission error : indoor unit '
5 3 1
main PCB of Outdoor Unit
Reverse connection of R, S, T
1
power of Master Outdoor Unit
Reverse connection of R, S, T
5 4 2
power of Slave1 Outdoor Unit
Reverse connection of R, S, T
3
power of Slave2 Outdoor Unit
Master Outdoor Unit Communication
1
Error with Inverter Controller
Slave1 Outdoor Unit Communication
5 7 2
Error with Inverter Controller
Slave2 Outdoor Unit Communication
3
Error with Inverter Controller
Error of series installation
5 9 1
Inverter PCB EEPROM Error of
1
Master Outdoor Unit
Inverter PCB EEPROM Error of
6 0 2
Slave1 Unit
Inverter PCB EEPROM Error of
3
Slave2 Unit
1 Master Outdoor Unit Fan Lock
6 7 2
Slave1 Outdoor Unit Fan Lock
3
Slave2 Outdoor Unit Fan Lock
Constant1 CT Sensor Error of
1
Master Outdoor Unit
Constant1 CT Sensor Error of
6 9 2
Slave1 Outdoor Unit
Constant1 CT Sensor Error of
3
Slave2 Outdoor Unit
Title
Omitting connection of Master outdoor unit
Omitting connection of Slave1 Outdoor Unit
Omitting connection of Slave2 Outdoor Unit
Excessive connection of indoor units compared to ca-
pacity of Outdoor Unit
Failing to receive inverter signal at main PCB of Master
Outdoor Unit
Failing to receive inverter signal at main PCB of Slave1
Outdoor Unit
Failing to receive inverter signal at main PCB of Slave2
Outdoor Unit
Failing to receive indoor unit signal at main PCB of
Outdoor Unit .
Reverse connection or omitting connection of R, S, T
power of Master Outdoor Unit
Reverse connection or omitting connection of R, S, T
power of Slave1 Outdoor Unit
Reverse connection or omitting connection of R, S, T
power of Slave2 Outdoor Unit
Master Outdoor Unit Controller part cannot receive inverter
control signals (usually happens after on-boarding)
Slave1 Outdoor Unit Controller part cannot receive inverter
control signals (usually happens after on-boarding)
Slave2 Outdoor Unit Controller part cannot receive inverter
control signals (usually happens after on-boarding)
In the case of installing smaller outdoor unit as master
unit
Access Error of Inverter PCB of Master Outdoor Unit
Access Error of Inverter PCB of Slave1 Outdoor Unit
Access Error of Inverter PCB of Slave2 Outdoor Unit
Restriction of Master Outdoor Unit
Restriction of Slave1 Outdoor Unit
Restriction of Slave2 Outdoor Unit
Constant1 CT Sensor open or short of Master Outdoor
Unit
Constant1 CT Sensor open or short of Slave1 Outdoor
Unit
Constant1 CT Sensor open or short of Slave2 Outdoor
Unit
Test Run
Cause of Error
Installation Manual 97