64
ELECTRICAL WIRING
ENGLISH
Display
Title
Cause of Error
Outdoor unit related error
2
6
Outdoor Unit Inverter Compressor Start
Failure
The First Start Failure by Outdoor Unit Inverter Com-
pressor Abnormality
2
7 PSC/PFC Fault Error
Instant Over Current at Outdoor Unit
2
9
Outdoor Unit Inverter Compressor Over
Current
Outdoor Unit Inverter Compressor Fault OR Drive
Fault
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 Dis-
charge Temperature Sensor Fault
Outdoor Unit Inverter Compressor Discharge Tem-
perature 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 Tempera-
ture Sensor (Front side) Fault
Outdoor Unit Heat Exchanger Temperature
Sensor(Front side) open or short
4
6
Outdoor Unit Suction Temperature Sen-
sor Fault
Outdoor Unit Suction Temperature Sensor open or
short
4
8
Outdoor Unit Faulty Condenser Out-pipe
sensor
Outdoor Unit Condenser Out-pipe sensor short/open
4
9
Outdoor Unit Faulty IPM Temperature
Sensor
Outdoor Unit IPM Temperature Sensor short/open
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 Out-
door 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
1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 64