LG Multi V ARUB Series - Page 114

114 Outdoor Unit
Master Outdoor Unit IPM Temperature Sensor
short/open
Slave1 Outdoor Unit IPM Temperature Sensor
short/open
Slave2 Outdoor Unit IPM Temperature Sensor
short/open
Slave3 Outdoor Unit IPM Temperature Sensor
short/open
Omitting connection of Master outdoor unit
Omitting connection of Slave1 Outdoor Unit
Omitting connection of Slave2 Outdoor Unit
Omitting connection of Slave3 Outdoor Unit
Excessive connection of indoor units compared to ca-
pacity of Outdoor Unit
Excessive connection of indoor units compared to ca-
pacity of zoning branches of HR 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 inverter signal at main PCB of Slave3
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
Reverse connection or omitting connection of R, S, T
power of Slave3 Outdoor Unit
Master Outdoor Unit Controller part cannot receive in-
verter control signals (usually happens after on-board-
ing)
Slave1 Outdoor Unit Controller part cannot receive in-
verter control signals (usually happens after on-board-
ing)
Slave2 Outdoor Unit Controller part cannot receive in-
verter control signals (usually happens after on-board-
ing)
Slave3 Outdoor Unit Controller part cannot receive in-
verter control signals (usually happens after on-board-
ing)
In the case of installing smaller outdoor unit as master
unit
Master Outdoor Unit Faulty IPM
Temperature Sensor
Slave1 Outdoor Unit Faulty IPM
Temperature Sensor
Slave2 Outdoor Unit Faulty IPM
Temperature Sensor
Slave3 Outdoor Unit Faulty IPM
Temperature Sensor
Omitting connection of R, S, T
power of Master Outdoor Unit
Omitting connection of R, S, T
power of Slave1 Outdoor Unit
Omitting connection of R, S, T
power of Slave2 Outdoor Unit
Omitting connection of R, S, T
power of Slave3 Outdoor Unit
Excessive capacity of indoor units
Excessive capacity of indoor units
from zoning branches
Transmission error : inverter
PCB ’ Main PCB
Transmission error : inverter
PCB ’ Main PCB
Transmission error : inverter
PCB ’ Main PCB
Transmission error : inverter
PCB ’ Main PCB
Transmission error : indoor unit ’
main PCB of Outdoor Unit
Reverse connection of R, S, T
power of Master Outdoor Unit
Reverse connection of R, S, T
power of Slave1 Outdoor Unit
Reverse connection of R, S, T
power of Slave2 Outdoor Unit
Reverse connection of R, S, T
power of Slave3 Outdoor Unit
Master Outdoor Unit Communica-
tion Error with Inverter Controller
Slave1 Outdoor Unit Communica-
tion Error with Inverter Controller
Slave2 Outdoor Unit Communica-
tion Error with Inverter Controller
Slave3 Outdoor Unit Communica-
tion Error with Inverter Controller
Error of series installation
Display Title Cause of Error
1
2
4 9
3
4
1
2
5 0
3
4
1
5 1
2
1
2
5 2
3
4
5 3 1
1
2
5 4
3
4
1
2
5 7
3
4
5 9 1
Outdoor unit related error
Test Run