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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
5
3
*
Outdoor Unit
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
Outdoor Unit Inverter Heatsink Temperature Sensor
6
5
*
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 Fan PCB EEPROM Error
Communication Error Between Outdoor Unit and Other
1
0
4
*
Outdoor Unit
1
0 5
* Outdoor Unit Fan 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
Outdoor Unit Subcooling Inlet Temperature Sensor
1
1
4
*
Error
Outdoor Unit Subcooling Outlet Temperature Sensor
1
1
5
*
Error
1
1
6
* Outdoor Unit Oil Level Sensor Error
outdoor unit Main Board - External Board
1
4
5
*
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
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 5 A
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 380 V
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
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
Cause of Error
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