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ENGLISH
Error No. of Compressor
Error No.
Error No. of Unit
Repeat
* Refer to the Indoor manual for some Indoor Error code.
Self-Diagnosis Function
Error Indicator
- This function indicates types of failure in self-diagnosis and occurrence of failure for air condition.
- Error mark is displayed on display window of indoor units and wired remote controller, and 7-segment LED of outdoor unit control board as
shown in the table.
- If more than two troubles occur simultaneously, lower number of error code is first displayed.
- After error occurrence, if error is released, error LED is also released simultaneously.
Error Display
1st,2nd,3rd LED of 7-segment indicates error number, 4th LED indicates unit number.
Ex)
Display
Title
Cause of Error
0
1
-
Air temperature sensor of indoor unit
Air temperature sensor of indoor unit is open or short
0
2
-
Inlet pipe temperature sensor of indoor unit
Inlet pipe temperature sensor of indoor unit is open or short
0
3
-
Communication error : wired remote controller
÷
in-
door unit
Failing to receive wired remote controller signal in indoor unit PCB
0
4
-
Drain pump
Malfunction of drain pump
0
5
-
Communication error : outdoor unit
÷
indoor unit
Failing to receive outdoor unit signal in indoor unit PCB
0
6
-
Outlet pipe temperature sensor of indoor unit
Outlet pipe temperature sensor of indoor unit is open or short
0
9
-
Indoor EEPROM Error
In case when the serial number marked on EEPROM of Indoor unit is 0
or FFFFFF
1
0
-
Poor fan motor operation
Disconnecting the fan motor connector/Failure of indoor fan motor lock
1
1
-
Communication error, Indoor unit
↔
Outdoor unit
Failing to receive signal in indoor unit
2
1
*
Outdoor Unit Inverter Compressor IPM Fault
Outdoor Unit Inverter Compressor Drive IPM Fault
2
2
*
Inverter Board Input Over Current(RMS) of Outdoor Unit Outdoor Unit Inverter Board Input Current excess (RMS)
2
3
*
Outdoor Unit Inverter Compressor DC link Low Voltage
DC charging is not performed at Outdoor Unit after starting relay turn
on.
2
4
*
Outdoor Unit High Pressure Switch
System is turned off by Outdoor Unit high pressure switch.
2
5
*
Outdoor Unit Input Voltage High/ Low Voltage
Outdoor Unit input voltage is over 289V or below 73V(ARUB***BTE4)
Outdoor Unit input voltage is over 506V or below 414V(ARUB***DTE4)
2
6
*
Outdoor Unit Inverter Compressor Start Failure
The First Start Failure by Outdoor Unit Inverter Compressor Abnor-
mality
2
9
*
Outdoor Unit Inverter Compressor Over Current
Outdoor Unit Inverter Compressor Fault or Drive Fault
3
2
*
Outdoor Unit Inverter Compressor1 High Discharge Tem-
perature
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 Tempera-
ture 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
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 Out-
door 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
Outdoor unit related error
Indoor unit related error
1,MFL69717904,영영 18. 8. 29. 영영 2:50 Page 33