74
ELECTRICAL WIRING
ENGLISH
Display
Title
Cause of Error
Outdoor unit related error
2
6
1
Outdoor Unit Inverter Compressor
Start Failure
The First Start Failure by Outdoor Unit Inverter
Compressor Abnormality
2
9
1
Outdoor Unit Inverter Compressor
Over Current
Outdoor Unit Inverter Compressor Fault OR Drive
Fault
3
2
1
Outdoor Unit Inverter Compressor1
High Discharge Temperature
Outdoor Unit Inverter Compressor1 High Discharge
Temperature
3
4
1 High Pressure of Outdoor Unit
High Pressure of Outdoor Unit
3
5
1 Low Pressure of Outdoor Unit
Low Pressure of Outdoor Unit
3
6
1
Outdoor Unit Low Compression Ratio
Limited
Outdoor Unit Low Compression Ratio Limited
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 Compressor1
Discharge Temperature Sensor Fault
Outdoor Unit Inverter Compressor Discharge
Temperature Sensor 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
5
1
Outdoor Unit Heat Exchanger
Temperature Sensor (Front side) Fault
Outdoor Unit Heat Exchanger Temperature
Sensor(Front side) open or short
4
6
1
Outdoor Unit Suction Temperature
Sensor Fault
Outdoor Unit Suction Temperature Sensor open or
short
5
0
1
Omitting connection of R, S, T power
of Outdoor Unit
Omitting connection of outdoor unit
5
1
1 Excessive capacity of indoor units
Excessive connection of indoor units compared to
capacity of Outdoor 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.
5
7
1
Communication error : Main PCB
→
inverter PCB
Failing to receive signal main PCB at inverter PCB of
Outdoor Unit
6
0
1
Inverter PCB EEPROM Error of
Master Outdoor Unit
Access Error of Inverter PCB of Outdoor Unit
6
2
1
Outdoor Unit Inverter Heatsink High
Temperature
System is turned off by Outdoor Unit Inverter
Heatsink High Temperature
6
5
1
Outdoor Unit Inverter Heatsink
Temperature Sensor Fault
Outdoor Unit Inverter Heatsink Temperature Sensor
open or short