23
ENGLISH
Display Title Cause of Error
Outdoor unit related error
4 0 1 Outdoor Unit Inverter Compressor CT Sensor Fault Outdoor Unit Inverter Compressor CT Sensor open or short
4 1 1
Outdoor Unit Inverter Compressor Discharge Tem-
perature Sensor Fault
Outdoor Unit Inverter Compressor Discharge Temperature Sen-
sor open or short
4 2 1 Outdoor Unit Low Pressure Sensor Fault Outdoor Unit Low Pressure Sensor open or short
4 3 1 Outdoor Unit High Pressure Sensor Fault Outdoor Unit High Pressure Sensor open or short
4 4 1 Outdoor Unit Air Temperature Sensor Fault Outdoor Unit Air Temperature Sensor open or short
4 6 1 Outdoor Unit Suction Temperature Sensor Fault Outdoor Unit Suction Temperature Sensor open or short
5 1 1 Excessive capacity of indoor units
Excessive connection of indoor units compared to capacity of out-
door 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.
6 0 1 Inverter PCB EEPROM Error of Outdoor Unit Access Error of Inverter PCB of Outdoor Unit
6 2 1 Heat sink temperature high error When Heat sink temperature is above setting value
6 7 1 Outdoor Unit Fan Lock Restriction of Outdoor Unit
7 1 1 PFC CT Sensor Error of Outdoor Unit Outdoor Unit PFC CT Sensor open or short
7 3 1 Instant Over Current(Peak) of Outdoor Unit PFC Instant Over Current(Peak) of Outdoor Unit PFC
7 5 1 Outdoor Unit Fan CT Sensor Error Outdoor Unit Fan CT Sensor open or short
7 6 1 Outdoor Unit Fan DC Link High Voltage Error Outdoor Unit Fan DC Link High Voltage Error
7 7 1 Outdoor Unit Fan Over Current Error Outdoor Unit Fan Current is over 5A
7 8 1 Outdoor Unit Fan Hall Sensor Error Outdoor Unit Fan Hall Sensor open or Short
7 9 1 Outdoor Unit Fan Start Failure Error Outdoor Unit Fan First Position Sensing Failure
8 6 1 Outdoor Unit Main PCB EEPROM Error
Communication Fail Between Outdoor Unit Main MICOM and
EEPROM or omitting EEPROM
8 7 1 Outdoor Unit Fan PCB EEPROM Error
Communication Fail Between Outdoor Unit Fan MICOM and EEP-
ROM or omitting EEPROM
8 8 1 PFC PCB EEPROM Error
Communication Fail Between Outdoor Unit PFC
MICOM and EEPROM or omitting EEPROM