LG MULTI V IV ARNU12GTU 2 Series User Manual

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Only for training and service purposes
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Display Title Cause of Error
Outdoor unit related error
1 1 4
1
Master Outdoor Unit Subcooling Inlet
Temperature Sensor Error
Master Outdoor Unit Subcooling Outlet Temperature Sensor
open or short
2
Slave1 Outdoor Unit Subcooling Inlet
Temperature Sensor Error
Slave1 Outdoor Unit Subcooling Outlet Temperature Sensor
open or short
3
Slave2 Outdoor Unit Subcooling Inlet
Temperature Sensor Error
Slave2 Outdoor Unit Subcooling Outlet Temperature Sensor
open or short
4
Slave3 Outdoor Unit Subcooling Inlet
Temperature Sensor Error
Slave3 Outdoor Unit Subcooling Outlet Temperature Sensor
open or short
1 1 5
1
Master Outdoor Unit Subcooling Outlet
Temperature Sensor Error
Master Outdoor Unit Subcooling Outlet Temperature Sensor
open or short
2
Slave1 Outdoor Unit Subcooling Outlet
Temperature Sensor Error
Slave1 Outdoor Unit Subcooling Outlet Temperature Sensor
open or short
3
Slave2 Outdoor Unit Subcooling Outlet
Temperature Sensor Error
Slave2 Outdoor Unit Subcooling Outlet Temperature Sensor
open or short
4
Slave3 Outdoor Unit Subcooling Outlet
Temperature Sensor Error
Slave3 Outdoor Unit Subcooling Outlet Temperature Sensor
open or short
1 1 6
1
Master Outdoor Unit Oil level Sensor
Error
Master Outdoor Unit Oil level Sensor Error is open or short
2
Slave 1 Outdoor Unit Oil level Sensor
Error
Slave 1 Outdoor Unit Oil level Sensor Error is open or short
3
Slave 2 Outdoor Unit Oil levelSensor
Error
Slave 2 Outdoor Unit Oil level Sensor Error is open or short
4
Slave 3 Outdoor Unit Oil level Sensor
Error
Slave 3 Outdoor Unit Oil level Sensor Error is open or short
1 4 5
1
Master outdoor unit Main Board -
External Board communication error
Master Outdoor Unit Main Board Main-Sub Micom communi-
cation failed
2
Slave1 outdoor unit Main Board -
External Board communication error
Slave1 Outdoor Unit Main Board Main-Sub Micom communi-
cation failed
3
Slave2 outdoor unit Main Board -
External Board communication error
Slave2 Outdoor Unit Main Board Main-Sub Micom communi-
cation failed
4
Slave3 outdoor unit Main Board -
External Board communication error
Slave3 Outdoor Unit Main Board Main-Sub Micom communi-
cation failed
1 5 1
1
Failure of operation mode conversion at
Master Outdoor Unit
Pressure unbalance between Outdoor Units
2
Failure of operation mode conversion at
Slave1 Outdoor Unit
Pressure unbalance between Outdoor Units
3
Failure of operation mode conversion at
Slave2 Outdoor Unit
Pressure unbalance between Outdoor Units
4
Failure of operation mode conversion at
Slave3 Outdoor Unit
Pressure unbalance between Outdoor Units
Self-diagnosis function

LG MULTI V IV ARNU12GTU 2 Series Specifications

General

Brand	LG
Model	MULTI V IV ARNU12GTU 2 Series
Category	Air Conditioner
Language	English