LG multi V ARUN Series Installation Manual page 108

Test Run
Display
1 Master outdoor unit Main Board Main-
Sub Micom communication error
Slave1 outdoor unit Main Board Main-
2
Sub Micom communication error
1 8 2
Slave2 outdoor unit Main Board Main-
3
Sub Micom communication error
Slave3 outdoor unit Main Board Main-
4
Sub Micom communication error
1 Master Inv. oil equalizing pipe
Temperature Sensor error
Slave1 Inv. oil equalizing pipe
2
Temperature Sensor error
1 8 4
Slave2 Inv. oil equalizing pipe
3
Temperature Sensor error
Slave3 Inv. oil equalizing pipe
4
Temperature Sensor error
Master const.1 oil equalizing pipe
1
Temperature Sensor error
2 Slave1 const.1 oil equalizing pipe
Temperature Sensor error
1 8 5
3 Slave2 const.1 oil equalizing pipe
Temperature Sensor error
4 Slave3 const.1 oil equalizing pipe
Temperature Sensor error
1 Master const.2 oil equalizing pipe
Temperature Sensor error
Slave1 const.2 oil equalizing pipe
2
Temperature Sensor error
1 8 6
3 Slave2 const.2 oil equalizing pipe
Temperature Sensor error
4 Slave3 const.2 oil equalizing pipe
Temperature Sensor error
Excessive increase of Master Outdoor
1
Unit Fan PCB Heat Sink Temperature
Excessive increase of Slave1 Outdoor
2
Unit Fan PCB Heat Sink Temperature
1 9 3
Excessive increase of Slave2 Outdoor
3
Unit Fan PCB Heat Sink Temperature
Excessive increase of Slave3 Outdoor
4
Unit Fan PCB Heat Sink Temperature
1 Master Outdoor Unit Fan PCB Heat Sink
Temperature Sensor Error
2 Slave1 Outdoor Unit Fan PCB Heat Sink
Temperature Sensor Error
1 9 4
3 Slave2 Outdoor Unit Fan PCB Heat Sink
Temperature Sensor Error
Slave3 Outdoor Unit Fan PCB Heat Sink
4
Temperature Sensor Error
108 Outdoor Unit
Title
Master Outdoor Unit Main Board Main-Sub Micom
communication failed
Slave1 Outdoor Unit Main Board Main-Sub Micom
communication failed
Slave2 Outdoor Unit Main Board Main-Sub Micom
communication failed
Slave3 Outdoor Unit Main Board Main-Sub Micom
communication failed
Master Outdoor Unit oil equalizing temperature Sensor
open or short
Slave1 Outdoor Unit oil equalizing temperature Sensor
open or short
Slave2 Outdoor Unit oil equalizing temperature Sensor
open or short
Slave3 Outdoor Unit oil equalizing temperature Sensor
open or short
Master Outdoor Unit oil equalizing temperature Sensor
open or short
Slave1 Outdoor Unit oil equalizing temperature Sensor
open or short
Slave2 Outdoor Unit oil equalizing temperature Sensor
open or short
Slave3 Outdoor Unit oil equalizing temperature Sensor
open or short
Master Outdoor Unit oil equalizing temperature Sensor
open or short
Slave1 Outdoor Unit oil equalizing temperature Sensor
open or short
Slave2 Outdoor Unit oil equalizing temperature Sensor
open or short
Slave3 Outdoor Unit oil equalizing temperature Sensor
open or short
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
Master Outdoor Unit Fan PCB Heat Sink Temperature
Sensor open or short
Slave1 Outdoor Unit Fan PCB Heat Sink Temperature
Sensor open or short
Slave2 Outdoor Unit Fan PCB Heat Sink Temperature
Sensor open or short
Slave3 Outdoor Unit Fan PCB Heat Sink Temperature
Sensor open or short
Cause of Error