LG ARWB80LA2 - Page 80

80 Outside Unit
Test Run
Display
Error item Root cause of error
number
Master outside unit 3 phase power reverse phase connection
Slave1 outside unit 3 phase power reverse phase connection
Slave2 outside unit 3 phase power reverse phase connection
Master outside unit inverter PCB EEPROM ACCESS error
Slave1 outside unit inverter PCB EEPROM ACCESS error
Slave2 outside unit inverter PCB EEPROM ACCESS error
Master outside unit static speed CT sensor disconnection or short cir-
cuit
Slave1 outside unit static speed CT sensor disconnection or short cir-
cuit
Slave2 outside unit static speed CT sensor disconnection or short cir-
cuit
Master outside unit inverter PCB input instant over-current (Peak)
exceeded
Slave1 outside unit inverter PCB input instant over-current (Peak)
exceeded
Slave2 outside unit inverter PCB input instant over-current (Peak)
exceeded
When the master outside unit inverter PCB input current is different
When the slave1 outside unit inverter PCB input current is different
When the slave2 outside unit inverter PCB input current is different
Communication error between master outside unit master MICOM and
EEPROM or EEPROM missing
Communication error between slave1 outside unit master MICOM and
EEPROM or EEPROM missing
Communication error between slave2 outside unit master MICOM and
EEPROM or EEPROM missing
When signal from slave outside unit is not received from master out-
side unit master MICOM
When signal from slave outside unit is not received from slave1 out-
side unit master MICOM
When signal from slave outside unit is not received from slave2 out-
side unit master MICOM
Master outside unit liquid pipe temperature sensor disconnection or
short circuit
Slave1 outside unit liquid pipe temperature sensor disconnection or
short circuit
Slave2 outside unit liquid pipe temperature sensor disconnection or
short circuit
Master outside unit over-cooling inlet temperature sensor disconnec-
tion or short circuit
Slave1 outside unit over-cooling inlet temperature sensor disconnec-
tion or short circuit
Slave2 outside unit over-cooling inlet temperature sensor disconnec-
tion or short circuit
541
Master outside unit 3 phase power reverse
phase
542
Slave1 outside unit 3 phase power reverse
phase
543
Slave2 outside unit 3 phase power reverse
phase
601
Master outside unit inverter PCB EEPROM
error
602
Slave1 outside unit inverter PCB EEPROM
error
603
Slave2 outside unit inverter PCB EEPROM
error
701
Master outside unit static speed CT sensor
error
702
Slave1 outside unit static speed CT sensor
error
703
Slave2 outside unit static speed CT sensor
error
731
Master outside unit inverter PCB input instant
over-current (Peak)
732
Slave1 outside unit inverter PCB input instant
over-current (Peak)
733
Slave2 outside unit inverter PCB input instant
over-current (Peak)
741
Master outside unit inverter PCB phase imbal-
ance
742
Slave1 outside unit inverter PCB phase imbal-
ance
743
Slave2 outside unit inverter PCB phase imbal-
ance
861
Master outside unit master PCB EEPROM
error
862
Slave1 outside unit master PCB EEPROM
error
863
Slave2 outside unit master PCB EEPROM
error
1041
Communication error between master outside
unit and outside unit
1042
Communication error between slave1 outside
unit and outside unit
1043
Communication error between slave2 outside
unit and outside unit
1131
Master outside unit liquid pipe temperature
sensor error
1132
Slave1 outside unit liquid pipe temperature
sensor error
1133
Slave2 outside unit liquid pipe temperature
sensor error
1141
Master outside unit over-cooling inlet tempera-
ture sensor error
1142
Slave1 outside unit over-cooling inlet tempera-
ture sensor error
1143
Slave2 outside unit over-cooling inlet tempera-
ture sensor error
Outside unit