57
ENGLISH
Display
Title
Cause of Error
2
5
*
Master Outdoor Unit Input Voltage High/ Low
Voltage
Master Outdoor Unit input voltage is over 537 V or below 247 V
(ARUM***LTE5)
Master Outdoor Unit input voltage is over 310 V or below 143 V
(ARUM***BTE5)
Master Outdoor Unit input voltage is over 598 V or below 320 V
(ARUM***DTE5)
Master Outdoor Unit input voltage is over 776 V or below 373 V
(ARUM***CTE5)
2
6
*
Master Outdoor Unit Inverter Compressor Start
Failure
The first start failure by Master Outdoor Unit Inverter Compressor
abnormality or Compressor locked
2
9
*
Master Outdoor Unit Inverter Compressor Over
Current
Master Outdoor Unit Inverter Compressor Fault or some bits in
pipe.
3
2
*
Master Outdoor Unit Inverter Compressor1 High
Discharge Temperature
Master Outdoor Unit Inverter Compressor1 High Discharge
Temperature
3
3
*
Master Outdoor Unit Inverter Compressor2 High
Discharge Temperature
Master Outdoor Unit Inverter Compressor2 High Discharge
Temperature
3
4
*
High Pressure of Master Outdoor Unit
High Pressure of Master Outdoor Unit
3
5
*
Low Pressure of Master Outdoor Unit
Low Pressure of Master Outdoor Unit
4
0
*
Master Outdoor Unit Inverter Compressor CT
Sensor Fault
Master Outdoor Unit Inverter Compressor CT Sensor open or short
4
1
*
Master Outdoor Unit Inverter Compressor1
Discharge Temperature Sensor Fault
Master Outdoor Unit Inverter Compressor Discharge Temperature
Sensor open or short
4
2
*
Master Outdoor Unit Low Pressure Sensor Fault
Master Outdoor Unit Low Pressure Sensor open or short
4
3
*
Master Outdoor Unit High Pressure Sensor Fault
Master Outdoor Unit High Pressure Sensor open or short
4
4
*
Master Outdoor Unit Air Temperature Sensor Fault
Master Outdoor Unit Air Temperature Sensor open or short
4
5
*
Master Outdoor Unit Heat Exchanger Temperature
Sensor (Front side) Fault
Master Outdoor Unit Heat Exchanger Temperature Sensor(Front
side) open or short
4
6
*
Master Outdoor Unit Suction Temperature Sensor
Fault
Master Outdoor Unit Suction Temperature Sensor open or short
4
7
*
Master Outdoor Unit Inverter Compressor2
Discharge Temperature Sensor Fault
Master Outdoor Unit Inverter Compressor2 Discharge Temperature
Sensor open or short
4
9
*
Master Outdoor Unit Faulty IPM Temperature
Sensor
Master Outdoor Unit IPM Temperature Sensor short/open
5
0
*
Omitting connection of R, S, T power of Master
Outdoor Unit
Omitting connection of Master 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 Master 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 Master
Outdoor Unit
6
0
*
Inverter PCB EEPROM Error of Master Outdoor Unit
Access Error of Inverter PCB of Master Outdoor Unit
6
2
*
Master Outdoor Unit Inverter Heatsink High
Temperature
System is turned off by Master Outdoor Unit Inverter Heatsink High
Temperature
6
5
*
Master Outdoor Unit Inverter Heatsink Temperature
Sensor Fault
Master Outdoor Unit Inverter Heatsink Temperature Sensor open
or short
6
7
*
Master Outdoor Unit Fan Lock
Restriction of Master Outdoor Unit
7
1
*
Inverter CT Sensor Error of Master Outdoor Unit
Inverter CT Sensor open or short of Master Outdoor Unit
7
5
*
Master Outdoor Unit Fan CT Sensor Error
Master Outdoor Unit Fan CT Sensor open or short
7
7
*
Master Outdoor Unit Fan Over Current Error
Master Outdoor Unit Fan Current is over 6A
7
9
*
Master Outdoor Unit Fan Start Failure Error
The first start failure by Master Outdoor Unit Fan abnormality or
Fan locked
8
6
*
Master Outdoor Unit Main PCB EEPROM Error
Communication Fail Between Master Outdoor Unit Main MICOM
and EEPROM or omitting EEPROM
8
7
*
Master Outdoor Unit Fan PCB EEPROM Error
Communication Fail Between Master Outdoor Unit Fan MICOM
and EEPROM or omitting EEPROM
1
0
4
*
Communication Error Between Master Outdoor
Unit and Other Outdoor Unit
Failing to receive Slave Unit signal at main PCB of Master
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