27
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Title
Cause of Error
5
0
1
Omitting connection of R, S, T power of Outdoor Unit
Omitting connection of outside unit
5
1
1
Excessive capacity of indoor units
Excessive connection of indoor units compared to capacity of
Outdoor Unit
5
2
1
Communication error : inverter PCB
→
Main PCB
Failing to receive inverter signal at main PCB of Outdoor Unit
5
3
1
Communication error : indoor unit
→
Main PCB of
Outdoor Unit
Failing to receive indoor unit signal at main PCB of Outdoor Unit.
5
7
1
Communication error : Main PCB
→
inverter PCB
Failing to receive signal main PCB at inverter PCB of Outdoor Unit
6
0
1
Inverter PCB EEPROM Error of Master Outdoor Unit
Access Error of Inverter PCB of Outdoor Unit
6
2
1
Outdoor Unit Inverter Heatsink High Temperature
System is turned off by Outdoor Unit Inverter Heatsink High
Temperature
6
5
1
Outdoor Unit Inverter Heatsink Temperature Sensor
Fault
Outdoor Unit Inverter Heatsink Temperature Sensor open or short
6
7
1
Outdoor Unit Fan Lock
Restriction of Outdoor Unit
7
1
1
Converter CT Sensor Error of Outdoor Unit
Converter CT Sensor open or short of Outdoor Unit
8
6
1
Outdoor Unit Main PCB EEPROM Error
Communication Fail Between Outdoor Unit Main MICOM and
EEPROM or omitting EEPROM
1 1 3 1
Outdoor Unit Liquid pipe Temperature Sensor Error
Liquid pipe temperature sensor of Outdoor Unit is open or short
1 1 5 1
Outdoor Unit Subcooling Outlet Temperature Sensor
Error
Outdoor Unit Subcooling Outlet Temperature Sensor Error
1 5 1 1
Failure of operation mode conversion at Outdoor Unit
Outdoor Unit
Failure of operation mode conversion at Outdoor Unit
1 0 4 *
Communication Error Between Master Outdoor Unit
and Other Outdoor Unit
Failing to receive Slave Unit signal at main PCB of Master Outdoor
Unit
1 0 5 *
Master Outdoor Unit Fan PCB Communication Error
Failing to receive fan signal at main PCB of Master unit.
1 0 6 *
Master Outdoor Unit FAN IPM Fault Error
Instant Over Current at Master Outdoor Unit Fan IPM
1 0 7 *
Master Outdoor Unit Fan DC Link Low Voltage Error
Master Outdoor Unit Fan DC Link Input Voltage is under 380V
1 1 3 *
Master Outdoor Unit Liquid pipe Temperature Sensor
Error
Liquid pipe temperature sensor of Master Outdoor Unit is open or
short
1 1 4 *
Master Outdoor Unit Subcooling Inlet Temperature
Sensor Error
Master Outdoor Unit Subcooling Inlet Temperature Sensor Error
1 1 5 *
Master Outdoor Unit Subcooling Outlet Temperature
Sensor Error
Master Outdoor Unit Subcooling Outlet Temperature Sensor Error
1 1 6 *
Master Outdoor Unit Oil Level Sensor Error
Oil Level Sensor of Master Outdoor Unit is open or short
1 4 5 *
Master outside unit Main Board - External Board
communication Error
Master outside unit Main Board - External Board communication Error
1 5 1 *
Failure of operation mode conversion at Master
Outdoor Unit
Failure of operation mode conversion at Master Outdoor Unit
1 5 3 *
Master Outdoor Unit Heat Exchanger Temperature
Sensor (upper part) Fault
Master Outdoor Unit Heat Exchanger Temperature Sensor (upper
part) Fault
1 5 4 *
Master Outdoor Unit Heat Exchanger Temperature
Sensor (lower part) Fault
Master Outdoor Unit Heat Exchanger Temperature Sensor(lower part)
open or short
1 8 2 *
Master outside unit External Board Main-Sub Micom
communication Error
Master Outdoor Unit Main Board Main-Sub Micom communication
failed
1 9 3 *
Master Outdoor Unit Fan Heatsink High Temperature
System is turned off by Master Outdoor Unit Fan Heatsink High
Temperature
1 9 4 *
Master Outdoor Unit Fan Heatsink Temperature Sensor
Fault
Master Outdoor Unit Fan Heatsink Temperature Sensor open or short
Outside unit
related error
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