LG multi V ARUN Series User Manual

Installation Manual 103
Test Run
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
capacity 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 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
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)
Slave3 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
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
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
Communication Error with Inverter
Controller
Slave1 Outdoor Unit
Communication Error with Inverter
Controller
Slave2 Outdoor Unit
Communication Error with Inverter
Controller
Slave3 Outdoor Unit
Communication 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
5 1 1
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

LG multi V ARUN Series Specifications

General

Brand	LG
Model	multi V ARUN Series
Category	Air Conditioner
Language	English