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ENGLISH
Display Title Cause of Error
2 6 * Outdoor Unit Inverter Compressor Start Failure
The first start failure by Outdoor Unit Inverter Compressor abnor-
mality or Compressor locked
2 9 * Outdoor Unit Inverter Compressor Over Current Outdoor Unit Inverter Compressor Fault OR Drive Fault
3 2 *
Outdoor Unit Inverter Compressor1 High Dis-
charge Temperature
Outdoor Unit Inverter Compressor1 High Discharge Temperature
3 3 *
Outdoor Unit Inverter Compressor2 High Dis-
charge Temperature
Outdoor Unit Inverter Compressor2 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
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 Sen-
sor 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 7 *
Outdoor Unit Inverter Compressor2 Discharge
Temperature Sensor Fault
Outdoor Unit Inverter Compressor2 Discharge Temperature Sen-
sor open or short
4 9 * Outdoor Unit Faulty IPM Temperature Sensor Outdoor Unit IPM Temperature Sensor short/open
50*
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 Out-
door Unit
52*
Communication error : inverter PCB ’ Main PCB
Failing to receive inverter signal at main PCB of Outdoor Unit
53*
Communication error : indoor unit ’ Main PCB of
Outdoor Unit
Failing to receive indoor unit signal at main PCB of Outdoor Unit.
57*
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 Tem-
perature
65*
Outdoor Unit Inverter Heatsink Temperature Sen-
sor Fault
Outdoor Unit Inverter Heatsink Temperature Sensor open or
short
6 7 * Outdoor Unit Fan Lock Restriction of Outdoor Unit
7 1 * Inverter CT Sensor Error of Master Outdoor Unit Inverter CT Sensor open or short of Outdoor Unit
7 5 * Outdoor Unit Fan CT Sensor Error Outdoor Unit Fan CT Sensor open or short
7 7 * Outdoor Unit Fan Over Current Error Outdoor Unit Fan Current is over 6A
7 9 * Outdoor Unit Fan Start Failure Error
The first start failure by Outdoor Unit Fan abnormality or Fan
locked
8 6 * Outdoor Unit Main PCB EEPROM Error
Communication Fail Between Outdoor Unit Main MICOM and EEP-
ROM or omitting EEPROM
8 7 * Outdoor Unit Fan PCB EEPROM Error
Communication Fail Between Outdoor Unit Fan MICOM and EEP-
ROM or omitting EEPROM
1 0 4*
Communication Error Between Outdoor Unit and
Other Outdoor Unit
Failing to receive Slave Unit signal at main PCB of Outdoor Unit
1 0 5* Outdoor Unit Fan PCB Communication Error Failing to receive fan signal at main PCB of Outdoor unit
1 0 6* Outdoor Unit Fan IPM Fault Error Instant Over Current at Outdoor Unit Fan IPM
Outdoor unit related error
1,MFL67221438,영영 2018. 10. 4. 영영 11:30 Page 35
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