LG ARUN Series Service Manual page 75

Display
Master Outdoor Unit Fan DC Link
1
High Voltage Error
7 6
Slave Outdoor Unit Fan DC Link
2
High Voltage Error
Master Outdoor Unit Fan Over
1
Current Error
7 7
Slave Outdoor Unit Fan Over
2
Current Error
Master Outdoor Unit Fan Hall
1
Sensor Error
7 8
2
Slave Outdoor Unit Fan Hall
Sensor Error
Master Outdoor Unit Fan Start
1
Failure Error
7 9
Slave Outdoor Unit Fan Start
2
Failure Error
Master Outdoor Unit Main PCB
1
EEPROM Error
8 6
Slave Outdoor Unit Main PCB
2
EEPROM Error
Master Outdoor Unit Fan PCB
1
EEPROM Error
8 7
Slave Outdoor Unit Fan PCB EEP-
2
ROM Error
Master Outdoor Unit PFC EEP-
1
ROM Error
8 8
Slave 1 Outdoor Unit PFC EEP-
2
ROM Error
Communication Error Between
Master Outdoor Unit and Other
1
Outdoor Unit
1 0 4
Communication Error Between
Slave Outdoor Unit and Other
2
Outdoor Unit
Master Outdoor Unit Fan PCB
1
Communication Error
1 0 5
Slave Outdoor Unit Fan PCB
2
Communication Error
Master Outdoor Unit FAN IPM
1
Fault Error
1 0 6
Slave Outdoor Unit FAN IPM Fault
2
Error
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Title
Master Outdoor Unit Fan DC Link High Voltage Error
Slave Outdoor Unit Fan DC Link High Voltage Error
Master Outdoor Unit Fan Current is over 5A
Slave Outdoor Unit Fan is over 5A
Master Outdoor Unit Fan Hall Sensor open or Short
Slave Outdoor Unit Fan Hall Sensor open or Short
Master Outdoor Unit Fan First Position Sensing Failure
Slave Outdoor Unit Fan First Position Sensing Failure
Communication Fail Between Master Outdoor Unit
Main MICOM and EEPROM or omitting EEPROM
Communication Fail Between Slave Outdoor Unit Main
MICOM and EEPROM or omitting EEPROM
Communication Fail Between Master Outdoor Unit Fan
MICOM and EEPROM or omitting EEPROM
Communication Fail Between Slave Outdoor Unit Fan
MICOM and EEPROM or omitting EEPROM
Communication fail between Master Outdoor unit
PFC MICOM and EEPROM or omitting EEPROM
Communication fail between Slave 1 Outdoor unit
PFC MICOM and EEPROM or omitting EEPROM
Failing to receive Slave Unit signal at main PCB of
Master outdoor unit
Failing to receive master and other Slave Unit signal at
main PCB of Slave outdoor unit
Failing to receive fan signal at main PCB of master
unit.
Failing to receive fan signal at main PCB of Slave unit.
Instant Over Current at Master Outdoor Unit Fan IPM
Instant Over Current at Slave Outdoor Unit Fan IPM
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Self-diagnosis function
Cause of Error
LGE Internal Use Only