LG MULTI V IV ARNU12GTU 2 Series - Page 80

Display Title Cause of Error
Outdoor unit related error
1 5 3
1
Master Outdoor Unit Heat Exchanger
Temperature Sensor (upper part) Fault
Master Outdoor Unit Heat Exchanger Temperature
Sensor(upper part) open or short
2
Slave1 Outdoor Unit Heat Exchanger
Temperature Sensor (upper part) Fault
Slave1 Outdoor Unit Heat Exchanger Temperature
Sensor (upper part) open or short
3
Slave2 Outdoor Unit Heat Exchanger
Temperature Sensor (upper part) Fault
Slave2 Outdoor Unit Heat Exchanger Temperature
Sensor(upper part) open or short
4
Slave3 Outdoor Unit Heat Exchanger
Temperature Sensor (upper part) Fault
Slave3 Outdoor Unit Heat Exchanger Temperature
Sensor(upper part) open or short
1 5 4
1
Master Outdoor Unit Heat Exchanger
Temperature Sensor (lower part) Fault
Master Outdoor Unit Heat Exchanger Temperature
Sensor(lower part) open or short
2
Slave1 Outdoor Unit Heat Exchanger
Temperature Sensor (lower part) Fault
Slave1 Outdoor Unit Heat Exchanger Temperature Sensor
(lower part) open or short
3
Slave2 Outdoor Unit Heat Exchanger
Temperature Sensor (lower part) Fault
Slave2 Outdoor Unit Heat Exchanger Temperature
Sensor(lower part) open or short
4
Slave3 Outdoor Unit Heat Exchanger
Temperature Sensor (lower part) Fault
Slave3 Outdoor Unit Heat Exchanger Temperature
Sensor(lower part) open or short
1 8 2
1
Master outdoor unit External Board Main-
Sub Micom communication error
Master Outdoor Unit Main Board Main-Sub Micom communi-
cation failed
2
Slave1 outdoor unit External Board Main-
Sub Micom communication error
Slave1 Outdoor Unit Main Board Main-Sub Micom communi-
cation failed
3
Slave2 outdoor unit External Board Main-
Sub Micom communication error
Slave2 Outdoor Unit Main Board Main-Sub Micom communi-
cation failed
4
Slave3 outdoor unit External Board Main-
Sub Micom communication error
Slave3 Outdoor Unit Main Board Main-Sub Micom communi-
cation failed
1 9 3
1
Master Outdoor Unit Fan Heatsink High
Temperature
System is turned off by Master Outdoor Unit Fan Heatsink
High Temperature
2
Slave1 Outdoor Unit Fan Heatsink High
Temperature
System is turned off by Slave1 Outdoor Unit Fan Heatsink
High Temperature
3
Slave2 Outdoor Unit Fan Heatsink High
Temperature
System is turned off by Slave2 Outdoor Unit Fan Heatsink
High Temperature
4
Slave3 Outdoor Unit Fan Heatsink High
Temperature
System is turned off by Slave3 Outdoor Unit Fan Heatsink
High Temperature
1 9 4
1
Master Outdoor Unit Fan Heatsink
Temperature Sensor Fault
Master Outdoor Unit Fan Heatsink Temperature Sensor open
or short
2
Slave1 Outdoor Unit Fan Heatsink
Temperature Sensor Fault
Slave1 Outdoor Unit Fan Heatsink Temperature Sensor open
or short
3
Slave2 Outdoor Unit Fan Heatsink
Temperature Sensor Fault
Slave2 Outdoor Unit Fan Heatsink Temperature Sensor open
or short
4
Slave3 Outdoor Unit Fan Heatsink
Temperature Sensor Fault
Slave3 Outdoor Unit Fan Heatsink Temperature Sensor open
or short
Copyright ©2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
- 80 -
Self-diagnosis function