078 079
_TROUBLE SHOOTING GUIDE BOOK _
Display Title Cause of Error
1 0 6 *
Outdoor Unit Fan IPM Fault Error Instant Over Current at Outdoor Unit Fan IPM
1 0 7 *
Outdoor Unit Fan DC Link Low Voltage
Error
Outdoor Unit Fan DC Link Input Voltage is under
380V
1 1 3 *
Outdoor Unit Liquid pipe Temperature
Sensor Error
Liquid pipe temperature sensor of Outdoor Unit is
open or short
1 1 4 *
Outdoor Unit Subcooling Inlet Temperature
Sensor Error
Outdoor Unit Subcooling Inlet Temperature Sensor
Error
1 1 5 *
Outdoor Unit Subcooling Outlet Temperature
Sensor Error
Outdoor Unit Subcooling Outlet Temperature Sensor
Error
1 1 6 *
Outdoor Unit Oil Level Sensor Error Oil Level Sensor of Outdoor Unit is open or short
1 4 5 *
Outdoor unit Main Board - External Board
communication Error
Outdoor unit Main Board - External Board com
-
munication Error
1 5 0 *
Outdoor Unit Discharge Superheat not
satisfied
Outdoor Unit Compressor Discharge Superheat not
satisfied during 5 Min.
1 5 1 *
Failure of operation mode conversion at
Outdoor Unit
Failure of operation mode conversion at Outdoor Unit
1 5 3 *
Outdoor Unit Heat Exchanger Temperature
Sensor(upper part) Fault
Outdoor Unit Heat Exchanger Temperature Sensor
(upper part) Fault
1 5 4 *
Outdoor Unit Heat Exchanger Temperature
Sensor(lower part) Fault
Outdoor Unit Heat Exchanger Temperature
Sensor(lower part) open or short
1 8 2 *
Outdoor unit External Board Main-Sub
Micom communication Error
Outdoor Unit Main Board Main-Sub Micom com
-
munication failed
1 8 7 *
Hydro - Kit P,HEX bursting error
Inlet water temperature is below 5 degree or water
temperature error during defrosting operation.
1 9 3 *
Outdoor Unit Fan Heatsink High Tem
-
perature
System is turned off by Outdoor Unit Fan Heatsink
High Temperature
1 9 4 *
Outdoor Unit Fan Heatsink Temperature
Sensor Fault
Outdoor Unit Fan Heatsink Temperature Sensor open
or short
0 5 1 C+#HR
Excessive connection of indoor unit to
HR unit
Indoor unit capacity exceed
2 0 0 1
Master Outdoor Unit Main PCB EEPROM
Error
Communication Fail Between Master Outdoor Unit
Main MICOM and EEPROM or omitting EEPROM
2 0 1 C+#HR
Master Outdoor Unit Fan PCB EEPROM
Error
Communication Fail Between Master Outdoor Unit
Fan MICOM and EEPROM or omitting EEPROM
2 0 2 C+#HR
HR unit1 Sub Cooling Pipe sensor error
Sub Cooling Pipe In sensor of HR unit open or
short
2 0 3 C+#HR
HR unit1 Sub Cooling Pipe Out sensor error
Sub Cooling Pipe Out sensor of HR unit. open or short
2 0 4 C+#HR
Communication error Failing to receive HR unit signal at outdoor unit
2 0 5 C+#HR
Communication error between HR unit and
the upgraded 485 modem
Failing to receive signal at HR unit PCB
2 0 6 C+#HR
Duplicate address error of HR unit Duplicated setting at the 4 series of HR unit
2 4 2 *
Network error of cntral controller Communication wiring defect
C: HR unit #: HR unit Number * : Unit( 1: Master, 2: Slave1, 3: Slave2, 4: Slave3)
Outdoor unit related errorHR Unit related error
Network error
Display Title Cause of Error
4 7 *
Outdoor Unit Inverter Compressor2 Discharge
Temperature Sensor Fault
Outdoor Unit Inverter Compressor2 Discharge Tem
-
perature Sensor open or short
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
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
Outdoor Unit
5 9 *
Mixing Installation of slave Outdoor Unit
Mixing Installation of Old Slave Outdoor Unit and
New Slave 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 Tem
-
perature
System is turned off by Outdoor Unit Inverter Heatsink
High Temperature
6 5 *
Outdoor Unit Inverter Heatsink Temperature
Sensor 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 EEPROM or omitting EEPROM
8 7 *
Outdoor Unit Fan PCB EEPROM Error
Communication Fail Between Outdoor Unit Fan MICOM
and EEPROM 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
Outdoor unit related error
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