LG Multi V PRHR042A Installation Manual page 49

Display
5 0 * Omitting connection of R, S, T power of Outdoor Unit
5 1 * Excessive capacity of indoor units
Communication error : inverter PCB → Main PCB
5 2 *
Communication error : indoor unit → Main PCB of Outdoor Unit
5 3 *
Communication error : Main PCB → inverter PCB
5 7 *
6 0 * Inverter PCB EEPROM Error of Outdoor Unit
6 2 * Outdoor Unit Inverter Heatsink High Temperature
6 5 * Outdoor Unit Inverter Heatsink Temperature Sensor Fault
6 7 * Outdoor Unit Fan Lock
7 1 * Converter CT Sensor Error of Outdoor Unit
7 5 * Outdoor Unit Fan CT Sensor Error
7 6 * Outdoor Unit Fan DC Link High Voltage Error
7 7 * Outdoor Unit Fan Over Current Error
7 9 * Outdoor Unit Fan Start Failure Error
8 6 * Outdoor Unit Main PCB EEPROM Error
8 7 * Outdoor Unit Motor PCB EEPROM Error
Communication Error Between Outdoor Unit and Other
1 0 4 *
Outdoor Unit
1 0 5 * Outdoor Unit Motor PCB Communication Error
1 0 6 * Outdoor Unit FAN IPM Fault Error
1 0 7 * Outdoor Unit Fan DC Link Low Voltage Error
1 1 3 * Outdoor Unit Liquid pipe Temperature Sensor Error
1 1 4 * Outdoor Unit Subcooling Inlet Temperature Sensor Error
1 1 5 * Outdoor Unit Subcooling Outlet Temperature Sensor Error
1 1 6 * Outdoor Unit Oil Level Sensor Error
1 4 5 * outdoor unit Main Board - External Board communication Error
1 5 1 * Failure of operation mode conversion at Outdoor Unit
Outdoor Unit Heat Exchanger Temperature Sensor
1 5 3 *
(upper part) Fault
Outdoor Unit Heat Exchanger Temperature Sensor
1 5 4 *
(lower part) Fault
outdoor unit External Board Main-Sub Micom
1 8 2 *
communication Error
1 9 3 * Outdoor Unit Fan Heatsink High Temperature
1 9 4 * Outdoor Unit Fan Heatsink Temperature Sensor Fault
2 0 0 1 Searching pipe Error
C +
2 0 1 HR unit1 Liqiud sensor error
#HR
C +
2 0 2 HR unit1 Sub Cooling Pipe In sensor error
#HR
C +
2 0 3 HR unit1 Sub Cooling Pipe Out sensor error
#HR
C +
2 0 4 Communication error
#HR
C +
Communication error between HR unit and the
2 0 5
upgraded 485 modem.
#HR
C +
2 0 6 Duplicate address error of HR unit
#HR
C + Communication error between Master and Slave Main
2 0 7
#HR PCB of HR Unit
C +
2 0 8 Communication error of EEPROM of HR Unit
#HR
Title
Omitting connection of outdoor unit
Excessive connection of indoor units compared to capacity of Outdoor Unit
Failing to receive inverter signal at main PCB of Outdoor Unit
Failing to receive indoor unit signal at main PCB of Outdoor Unit .
Failing to receive signal main PCB at inverter PCB of Outdoor Unit
Access Error of Inverter PCB of Outdoor Unit
System is turned off by Outdoor Unit Inverter Heatsink High Temperature
Outdoor Unit Inverter Heatsink Temperature Sensor open or short
Restriction of Outdoor Unit
Converter CT Sensor open or short of Outdoor Unit
Outdoor Unit Fan CT Sensor open or short
Outdoor Unit Fan DC Link High Voltage Error
Outdoor Unit Fan Current is over 5A
Outdoor Unit Fan First Position Sensing Failure
Communication Fail Between Outdoor Unit Main MICOM and
EEPROM or omitting EEPROM
Communication Fail Between Outdoor Unit Fan MICOM and
EEPROM or omitting EEPROM
Failing to receive Slave Unit signal at main PCB of Outdoor Unit
Failing to receive fan signal at main PCB of unit.
Instant Over Current at Outdoor Unit Fan IPM
Outdoor Unit Fan DC Link Input Voltage is under 380V
Liquid pipe temperature sensor of Outdoor Unit is open or short
Outdoor Unit Subcooling Inlet Temperature Sensor Error
Outdoor Unit Subcooling Outlet Temperature Sensor Error
Oil Level Sensor of Outdoor Unit is open or short
outdoor unit Main Board - External Board communication Error
Failure of operation mode conversion at Outdoor Unit
Outdoor Unit Heat Exchanger Temperature Sensor (upper part) Fault
Outdoor Unit Heat Exchanger Temperature Sensor(lower part) open
or short
Outdoor Unit Main Board Main-Sub Micom communication failed
System is turned off by Outdoor Unit Fan Heatsink High Temperature
Outdoor Unit Fan Heatsink Temperature Sensor open or short
Cause of Error
Failure of automatic addressing of valves
Liquid pipe sensor of HR unit open or short
Sub Cooling Pipe In sensor of HR unit open or short
Sub Cooling Pipe Out sensor of HR unit. open or short
Failing to receive HR unit signal at outdoor unit
4 series upgraded 485 communication error between HR unit and
HR unit modem
When the HR unit address is set duplicated at the 4 series
upgraded 485 communication
When fail to communication between Master and Slave Main PCB
of HR Unit
When fail to communication of EEPROM of HR Unit
49