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ENGLISH
Display Title Cause of Error
3 2 *
Outdoor Unit Inverter Compressor1 High Discharge
Temperature
Outdoor Unit Inverter Compressor1 High Discharge Temperature
3 4 *
High Pressure of Outdoor Unit
High Pressure of Outdoor Unit
3 5 *
Low Pressure of Outdoor Unit
Low Pressure of Outdoor Unit
3 6 *
Outdoor Unit Low Compression Ratio Limited
Outdoor Unit Low Compression Ratio Limited
4 0 *
Outdoor Unit Inverter Compressor CT Sensor Fault
Outdoor Unit Inverter Compressor CT Sensor open or short
4 1 *
Outdoor Unit Inverter Compressor1 Discharge
Temperature Sensor Fault
Outdoor Unit Inverter Compressor Discharge Temperature Sensor open or
short
4 2 *
Outdoor Unit Low Pressure Sensor Fault
Outdoor Unit Low Pressure Sensor open or short
4 3 *
Outdoor Unit High Pressure Sensor Fault
Outdoor Unit High Pressure Sensor open or short
4 4 *
Outdoor Unit Air Temperature Sensor Fault
Outdoor Unit Air Temperature Sensor open or short
4 5 *
Outdoor Unit Heat Exchanger Temperature Sensor
(Front side) Fault
Outdoor Unit Heat Exchanger Temperature Sensor(Front side) open or
short
4 6 *
Outdoor Unit Suction Temperature Sensor Fault
Outdoor Unit Suction Temperature Sensor open or short
4 9 *
Outdoor Unit IPM Temperature Sensor Fault
Outdoor Unit IPM Temperature Sensor open or short
5 0 *
Omitting connection of R, S, T power of Outdoor Unit Omitting connection of outdoor unit
5 1 *
Excessive capacity of indoor units
Excessive connection of indoor units compared to capacity of
Outdoor Unit
5 2 *
Communication error : inverter PCB
’
Main PCB
Failing to receive inverter signal at main PCB of 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 Outdoor Unit
6 0 *
Inverter PCB EEPROM Error of Master Outdoor Unit Access Error of Inverter PCB of Outdoor Unit
6 2 *
Outdoor Unit Inverter Heatsink High Temperature
System is turned off by Outdoor Unit Inverter Heatsink High
Temperature.
6 5 *
Outdoor Unit Inverter Heatsink Temperature Sensor
Fault
Outdoor Unit Inverter Heatsink Temperature Sensor open or short
6 7 *
Outdoor Unit Fan Lock Restriction of Outdoor Unit
7 1 *
Converter CT Sensor Error of Outdoor Unit Converter CT Sensor open or short of Outdoor Unit
8 6 *
Outdoor Unit Main PCB EEPROM Error
Communication Fail Between Outdoor Unit Main MICOM and
EEPROM or omitting EEPROM
1 0 6 *
Master Outdoor Unit FAN IPM Fault Error Instant Over Current at Master Outdoor Unit Fan IPM
113*
Master Outdoor Unit Liquid pipe Temperature Sensor
Error
Liquid pipe temperature sensor of Master Outdoor Unit is open or
short
151*
Failure of operation mode conversion at Outdoor Unit
Outdoor Unit
Failure of operation mode conversion at Outdoor Unit
Outdoor unit related error
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