LG ARUN BTE4 Series Installation Manual page 28

28
Display
3 5 * Low Pressure of Master Outdoor Unit
Master Outdoor Unit Low Compression Ratio Lim-
3 6 *
ited
Master Outdoor Unit Inverter Compressor CT Sen-
4 0 *
sor Fault
Master Outdoor Unit Inverter Compressor1 Dis-
4 1 *
charge Temperature Sensor Fault
4 2 * Master Outdoor Unit Low Pressure Sensor Fault
4 3 * Master Outdoor Unit High Pressure Sensor Fault
4 4 * Master Outdoor Unit Air Temperature Sensor Fault
Master Outdoor Unit Heat Exchanger Temperature
4 5 *
Sensor (Front side) Fault
Master Outdoor Unit Suction Temperature Sensor
4 6 *
Fault
Master Outdoor Unit Inverter Compressor2 Dis-
4 7 *
charge Temperature Sensor Fault
Master Outdoor Unit Faulty IPM Temperature Sen-
4 9 *
sor
Omitting connection of R, S, T power of Master
5 0 *
Outdoor Unit
5 1 * Excessive capacity of indoor units
Communication error : inverter PCB ' Main PCB
5 2 *
Communication error : indoor unit ' Main PCB of
5 3 *
Outdoor Unit
Communication error : Main PCB ' inverter PCB
5 7 *
5 9 * Wrong combination of Outdoor units
6 0 * Inverter PCB EEPROM Error of Master Outdoor Unit
Master Outdoor Unit Inverter Heatsink High Tem-
6 2 *
perature
Master Outdoor Unit Inverter Heatsink Tempera-
6 5 *
ture Sensor Fault
6 7 * Master Outdoor Unit Fan Lock
7 1 * Converter CT Sensor Error of Master Outdoor Unit
7 5 * Master Outdoor Unit Fan CT Sensor Error
Master Outdoor Unit Fan DC Link High Voltage
7 6 *
Error
7 7 * Master Outdoor Unit Fan Over Current Error
7 9 * Master Outdoor Unit Fan Start Failure Error
8 6 * Master Outdoor Unit Main PCB EEPROM Error
8 7 * Master Outdoor Unit Fan PCB EEPROM Error
Title Cause of Error
Low Pressure of Master Outdoor Unit
Master Outdoor Unit Low Compression Ratio Limited
Master Outdoor Unit Inverter Compressor CT Sensor open or
short
Master Outdoor Unit Inverter Compressor Discharge Tempera-
ture Sensor open or short
Master Outdoor Unit Low Pressure Sensor open or short
Master Outdoor Unit High Pressure Sensor open or short
Master Outdoor Unit Air Temperature Sensor open or short
Master Outdoor Unit Heat Exchanger Temperature Sensor(Front
side) open or short
Master Outdoor Unit Suction Temperature Sensor open or short
Master Outdoor Unit Inverter Compressor2 Discharge Tempera-
ture Sensor open or short
Master Outdoor Unit IPM Temperature Sensor short/open
Omitting connection of Master outdoor unit
Excessive connection of indoor units compared to capacity of Out-
door Unit
Failing to receive inverter signal at main PCB of Master Outdoor
Unit
Failing to receive indoor unit signal at main PCB of Outdoor Unit .
Failing to receive signal main PCB at inverter PCB of Master Out-
door Unit
Installed combination mixed with old series model
(Multi V Ⅲ, Ⅱ ..)
Access Error of Inverter PCB of Master Outdoor Unit
System is turned off by Master Outdoor Unit Inverter Heatsink High
Temperature
Master Outdoor Unit Inverter Heatsink Temperature Sensor open
or short
Restriction of Master Outdoor Unit
Converter CT Sensor open or short of Master Outdoor Unit
Master Outdoor Unit Fan CT Sensor open or short
Master Outdoor Unit Fan DC Link High Voltage Error
Master Outdoor Unit Fan Current is over 5A
Master Outdoor Unit Fan First Position Sensing Failure
Communication Fail Between Master Outdoor Unit Main MICOM
and EEPROM or omitting EEPROM
Communication Fail Between Master Outdoor Unit Fan MICOM
and EEPROM or omitting EEPROM