LG MULTI V WATER IV ARWN080LAS4 - Page 62

Self-diagnosis function
Display Title Cause of Error
Outdoor unit related error
8 6
1
Master outside unit master PCB EEPROM
error
Communication error between master outside unit master
MICOM and EEPROM or EEPROM missing
2
Slave1 outside unit Slave1 PCB EEPROM
error
Communication error between Slave1 outside unit Slave1
MICOM and EEPROM or EEPROM missing
3
Slave2 outside unit Slave2 PCB EEPROM
error
Communication error between Slave2 outside unit Slave2
MICOM and EEPROM or EEPROM missing
4
Slave3 outside unit Slave3 PCB EEPROM
error
Communication error between Slave3 outside unit Slave3
MICOM and EEPROM or EEPROM missing
8 8
1
PFC PCB EEPROM error
Communication error between master outside unit master PFC
and EEPROM or EEPROM missing
2
PFC PCB EEPROM error
Communication error between Slave1 outside unit Slave1 PFC
and EEPROM or EEPROM missing
3
PFC PCB EEPROM error
Communication error between Slave2 outside unit Slave2 PFC
and EEPROM or EEPROM missing
4
PFC PCB EEPROM error
Communication error between Slave3 outside unit Slave3 PFC
and EEPROM or EEPROM missing
Display Title Cause of Error
Outdoor unit related error
1 0 4
1
Communication Error Between Master
Outdoor Unit and Other Outdoor Unit
Failing to receive Slave Unit signal at main PCB of Master
Outdoor Unit
2
Communication Error Between Slave1
Outdoor Unit and Other Outdoor Unit
Failing to receive Slave Unit signal at main PCB of Slave1
Outdoor Unit
3
Communication Error Between Slave2
Outdoor Unit and Other Outdoor Unit
Failing to receive Slave Unit signal at main PCB of Slave2
Outdoor Unit
4
Communication Error Between Slave3
Outdoor Unit and Other Outdoor Unit
Failing to receive Slave Unit signal at main PCB of Slave3
Outdoor Unit
1 1 3
1
Master Outdoor Unit Liquid pipe
Temperature Sensor Error
Liquid pipe temperature sensor of Master Outdoor Unit is open
or short
2
Slave1 Outdoor Unit Liquid pipe
Temperature Sensor Error
Liquid pipe temperature sensor of Slave1 Outdoor Unit is open
or short
3
Slave2 Outdoor Unit Liquid pipe
Temperature Sensor Error
Liquid pipe temperature sensor of Slave2 Outdoor Unit is open
or short
4
Slave3 Outdoor Unit Liquid pipe
Temperature Sensor Error
Liquid pipe temperature sensor of Slave3 Outdoor Unit is 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
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