29
ENGLISH
Display
Title
Cause of Error
Outdoor unit related error
3
5
*
Low Pressure of Master Outdoor Unit
Low Pressure of Master Outdoor Unit
3
6
*
Master Outdoor Unit Low Compression Ratio Lim-
ited
Master Outdoor Unit Low Compression Ratio Limited
4
0
*
Master Outdoor Unit Inverter Compressor CT Sen-
sor Fault
Master Outdoor Unit Inverter Compressor CT Sensor open or
short
4
1
*
Master Outdoor Unit Inverter Compressor1 Dis-
charge Temperature Sensor Fault
Master Outdoor Unit Inverter Compressor Discharge Tempera-
ture Sensor open or short
4
2
*
Master Outdoor Unit Low Pressure Sensor Fault
Master Outdoor Unit Low Pressure Sensor open or short
4
3
*
Master Outdoor Unit High Pressure Sensor Fault
Master Outdoor Unit High Pressure Sensor open or short
4
4
*
Master Outdoor Unit Air Temperature Sensor Fault
Master Outdoor Unit Air Temperature Sensor open or short
4
5
*
Master Outdoor Unit Heat Exchanger Temperature
Sensor (Front side) Fault
Master Outdoor Unit Heat Exchanger Temperature Sensor(Front
side) open or short
4
6
*
Master Outdoor Unit Suction Temperature Sensor
Fault
Master Outdoor Unit Suction Temperature Sensor open or short
4
7
*
Master Outdoor Unit Inverter Compressor2 Dis-
charge Temperature Sensor Fault
Master Outdoor Unit Inverter Compressor2 Discharge Tempera-
ture Sensor open or short
4
9
*
Master Outdoor Unit Faulty IPM Temperature Sen-
sor
Master Outdoor Unit IPM Temperature Sensor short/open
5
0
*
Omitting connection of R, S, T power of Master
Outdoor Unit
Omitting connection of Master outdoor unit
5
1
*
Excessive capacity of indoor units
Excessive connection of indoor units compared to capacity of Out-
door Unit
5
2
*
Communication error : inverter PCB
’
Main PCB
Failing to receive inverter signal at main PCB of Master Outdoor
Unit
5
3
*
Communication error : indoor unit
’
Main PCB of
Outdoor Unit
Failing to receive indoor unit signal at main PCB of Outdoor Unit .
5
7
*
Communication error : Main PCB
’
inverter PCB
Failing to receive signal main PCB at inverter PCB of Master Out-
door Unit
5
9
*
Mixing Installation of Sub Outdoor Unit
’
Wrong
combination of Outdoor units
Mixing Installation of Old Sub Outdoor Unit and New Slave Outdoor Unit
’
Installed combination mixed with old series model(Multi V III, II.)
6
0
*
Inverter PCB EEPROM Error of Master Outdoor Unit
Access Error of Inverter PCB of Master Outdoor Unit
6
2
*
Master Outdoor Unit Inverter Heatsink High Tem-
perature
System is turned off by Master Outdoor Unit Inverter Heatsink High
Temperature
6
5
*
Master Outdoor Unit Inverter Heatsink Tempera-
ture Sensor Fault
Master Outdoor Unit Inverter Heatsink Temperature Sensor open
or short
6
7
*
Master Outdoor Unit Fan Lock
Restriction of Master Outdoor Unit
7
1
*
Converter CT Sensor Error of Master Outdoor Unit
Converter CT Sensor open or short of Master Outdoor Unit
7
5
*
Master Outdoor Unit Fan CT Sensor Error
Master Outdoor Unit Fan CT Sensor open or short
7
6
*
Master Outdoor Unit Fan DC Link High Voltage
Error
Master Outdoor Unit Fan DC Link High Voltage Error
7
7
*
Master Outdoor Unit Fan Over Current Error
Master Outdoor Unit Fan Current is over 5A
7
9
*
Master Outdoor Unit Fan Start Failure Error
Master Outdoor Unit Fan First Position Sensing Failure
8
6
*
Master Outdoor Unit Main PCB EEPROM Error
Communication Fail Between Master Outdoor Unit Main MICOM
and EEPROM or omitting EEPROM
8
7
*
Master Outdoor Unit Fan PCB EEPROM Error
Communication Fail Between Master Outdoor Unit Fan MICOM
and EEPROM or omitting EEPROM