30
ENGLISH
Display Title Cause of Error
4 0 1
4 1 1
4 2 1
4 3 1
4 4 1
4 5 1
4 6 1
4 9 1
5 0 1
5 1 1
5 2 1
5 3 1
5 4 1
5 7 1
6 0 1
6 2 1
6 7 1
731
861
881
1 1 31
1 1 51
1 5 11
2421
Outdoor unit related error
Outdoor Unit Inverter Compressor CT Sensor Fault
Outdoor Unit Inverter Compressor Discharge Tem-
perature Sensor Fault
Outdoor Unit Low Pressure Sensor Fault
Outdoor Unit High Pressure Sensor Fault
Outdoor Unit Air Temperature Sensor Fault
Outdoor Unit Heat Exchanger Temperature Sensor
Fault
Outdoor Unit Suction Temperature Sensor Fault
Defective IPM Temperature Sensor
Omitting connection of R, S, T power of Outdoor
unit
Excessive capacity of indoor units
Communication error : inverter PCB → Main PCB
Communication error : indoor unit → main PCB of
outdoor unit
Reverse connection of R, S, T
power of Outdoor unit
Communication error : inverter PCB → Main PCB
Inverter PCB EEPROM error
Heat sink temperature high error
Outdoor Unit Fan Lock
Instant Over Current(Peak) of Outdoor Unit PFC
Outdoor Unit Main PCB EEPROM Error
PFC PCB EEPROM Error
Outdoor Unit Liquid pipe Temperature Sensor Error
Outdoor Unit Subcooling Outlet Temperature Sen-
sor Error
Failure of operation mode conversion at Outdoor
Unit
Network error
Outdoor Unit Inverter Compressor CT Sensor open or short
Outdoor Unit Inverter Compressor Discharge Temperature Sensor
open or short
Outdoor Unit Low Pressure Sensor open or short
Outdoor Unit High Pressure Sensor open or short
Outdoor Unit Air Temperature Sensor open or short
Outdoor Unit Heat Exchanger Temperature
Sensor Open or Short
Outdoor Unit Suction Temperature Sensor open or short
Disconnection or short circuit on IPM temperature sensor of the
outdoor unit
Omitting connection of Outdoor unit
Excessive connection of indoor units compared to capacity of out-
door unit
Failing to receive inverter signal at main PCB of Outdoor Unit
Failing to receive indoor unit signal at main PCB of outdoor Unit.
Reverse connection or omitting connection of R, S, T power of Out-
door unit
Restriction of Outdoor Unit (Inverter PCB)
Check EEPROM checksum error when resetting power
When Heat sink temperature is above setting value
Restriction of Outdoor Unit Fan
Instant Over Current(Peak) of Outdoor Unit PFC
Communication Fail Between Outdoor Unit Main MICOM and EEP-
ROM or omitting EEPROM
Communication Fail Between Outdoor Unit PFC MICOM and EEP-
ROM or omitting EEPROM
Liquid pipe temperature sensor of outdoor unit is open or short
Outdoor Unit Subcooling Outlet Temperature Sensor open or short
Pressure unbalance between outdoor units
Network error of central control unit
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