LG ARUN038GS2 Installation Manual page 85

Display
Master Outdoor Unit Heat Exchanger
1
Temperature Sensor (Rear side) Fault
Slave1 Outdoor Unit Heat Exchanger
4 8 2
Temperature Sensor (Rear side) Fault
Slave2 Outdoor Unit Heat Exchanger
3
Temperature Sensor (Rear side) Fault
Omitting connection of R, S, T power of
1
Master Outdoor Unit
Omitting connection of R, S, T power of
5 0 2
Slave1 Outdoor Unit
Omitting connection of R, S, T power of
3
Slave2 Outdoor Unit
Excessive capacity of indoor units
5 1 1
Communication error : inverter PCB
1
Main PCB
Communication error : inverter PCB
5 2 2
Main PCB
Communication error : inverter PCB
3
Main PCB
Communication error : indoor unit
5 3 1
PCB of Outdoor Unit
Reverse connection of R, S, T power of
1
Master Outdoor Unit
Reverse connection of R, S, T power of
5 4 2
Slave1 Outdoor Unit
Reverse connection of R, S, T power of
3
Slave2 Outdoor Unit
Mixing Installation of Sub Outdoor Unit
5 9 1
Inverter PCB EEPROM Error of Master
1
Outdoor Unit
Inverter PCB EEPROM Error of Slave1
6 0 2
Unit
Inverter PCB EEPROM Error of Slave2
3
Unit
Master Outdoor Unit Fan Lock
1
Slave1 Outdoor Unit Fan Lock
6 7 2
Slave2 Outdoor Unit Fan Lock
3
Constant CT Sensor Error of Master
1
Outdoor Unit
Constant CT Sensor Error of Slave1
7 0 2
Outdoor Unit
Constant CT Sensor Error of Slave2
3
Outdoor Unit
PFC CT Sensor Error of Master Outdoor
1
Unit
PFC CT Sensor Error of Slave1 Outdoor
7 1 2
Unit
PFC CT Sensor Error of Slave2 Outdoor
3
Unit
Title
Master Outdoor Unit Heat Exchanger Temperature Sensor (Rear
side) open or short
Slave1 Outdoor Unit Heat Exchanger Temperature Sensor (Rear
side) open or short
Slave2 Outdoor Unit Heat Exchanger Temperature Sensor (Rear
side) open or short
Omitting connection of Master outdoor unit
Omitting connection of Slave1 Outdoor Unit
Omitting connection of Slave2 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
main
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
Mixing Installation of Old Sub Outdoor Unit and New Slave Outdoor
Unit
Access Error of Inverter PCB of Master Outdoor Unit
Access Error of Inverter PCB of Slave1 Outdoor Unit
Access Error of Inverter PCB of Slave2 Outdoor Unit
Restriction of Master Outdoor Unit
Restriction of Slave1 Outdoor Unit
Restriction of Slave2 Outdoor Unit
Constant CT Sensor open or short of Master Outdoor Unit
Constant CT Sensor open or short of Slave1 Outdoor Unit
Constant CT Sensor open or short of Slave2 Outdoor Unit
Master Outdoor Unit PFC CT Sensor open or short
Slave1 Outdoor Unit PFC CT Sensor open or short
Slave2 Outdoor Unit PFC CT Sensor open or short
Test Run
Cause of Error
Installation Manual 85