LG ARUB80LT2 Installation Manual page 85

Display
Omitting connection of R
1
power of Outdoor unit = 50 Error
❈ Note
2
Omitting connection of S
5 0
power of Outdoor unit = 23 Error
3
Omitting connection of T
power of Outdoor unt
4
= Main PCB Power off
Excessive capacity of indoor units
5 1 1
Communication error : inverter
1
PCB ¡ Main PCB
Communication error : inverter
2
PCB ¡ Main PCB
5 2
Communication error : inverter
3
PCB ¡ Main PCB
Communication error : inverter
4
PCB ¡ Main PCB
Communication error : indoor unit
5 3 1
¡ main PCB of outdoor unit
Reverse connection of R, S, T
1
power of Master Outdoor unit
Reverse connection of R, S, T
2
power of Slave1 outdoor unit
5 4
Reverse connection of R, S, T
3
power of Slave2 outdoor unit
Reverse connection of R, S, T
4
power of Slave3 outdoor unit
Mixing Installation of Sub Outdoor
5 9 1
Unit
Inverter PCB EEPROM Error of
1
Master Outdoor Unit
Inverter PCB EEPROM Error of
2
Slave1 Unit
6 0
Inverter PCB EEPROM Error of
3
Slave2 Unit
Inverter PCB EEPROM Error of
4
Slave3 Unit
1 Master Outdoor Unit Fan Lock
Slave1 Outdoor Unit Fan Lock
2
6 7
3 Slave2 Outdoor Unit Fan Lock
4 Slave3 Outdoor Unit Fan Lock
Title
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
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
Access Error of Inverter PCB of Slave3 Outdoor Unit
Restriction of Master Outdoor Unit
Restriction of Slave1 Outdoor Unit
Restriction of Slave2 Outdoor Unit
Restriction of Slave3 Outdoor Unit
Test Run
Cause of Error
Installation Manual 85