Self-Diagnosis Function - LG MULTI V S ARUV060GSD0 Installation Manual

Self-Diagnosis Function

Error Indicator
- This function indicates types of failure in self-diagnosis and occurrence of failure for air condi-
tion.
- 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.
Display
0 1 Air temperature sensor of indoor unit
Inlet pipe temperature sensor of indoor
0 2
unit
Communication error : wired remote
0 3
controller ÷ indoor unit
0 4 Drain pump
Communication error : outdoor unit ÷
0 5
indoor unit
Outlet pipe temperature sensor of in-
0 6
door unit
0 9 Indoor EEPROM Error
1 0 Poor fan motor operation
Outdoor Unit Inverter Compressor IPM
2 1
Fault
Inverter Board Input Over Current(RMS)
2 2
of Outdoor Unit
Outdoor Unit Inverter Compressor DC
2 3
link Low Voltage
2 4 Outdoor Unit High Pressure Switch
Outdoor Unit Input Voltage High/ Low
2 5
Voltage
* Refer to the Indoor manual for some Indoor Error code.
Title
Air temperature sensor of indoor unit is open or short
Inlet pipe temperature sensor of indoor unit is open
or short
Failing to receive wired remote controller signal in in-
door unit PCB
Malfunction of drain pump
Failing to receive outdoor unit signal in indoor unit
PCB
Outlet pipe temperature sensor of indoor unit is open
or short
In case when the serial number marked on EEPROM
of Indoor unit is 0 or FFFFFF
Disconnecting the fan motor connector/Failure of in-
door fan motor lock
Outdoor Unit Inverter Compressor Drive IPM Fault
Outdoor Unit Inverter Board Input Current excess
(RMS)
DC charging is not performed at Outdoor Unit after
starting relay turn on.
System is turned off by Outdoor Unit high pressure
switch.
Outdoor Unit input voltage is over 487V or below
270V
ELECTRICAL WIRING
Cause of Error
63