LG Multi V PRHR033 - Page 54

54
ENGLISH
Display Title Cause of Error
Outdoor unit related error
2 6 *
Master Outdoor Unit Inverter Compressor Start
Failure
The first start failure by Master Outdoor Unit Inverter Compressor
abnormality or Compressor locked
2 8 *
Master outdoor unit inverter DC link over-voltage
error
Compressor turned Off due to master outdoor unit inverter DC
voltage over-charge
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 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
3 6 *
Master Outdoor Unit Low Compression Ratio
Limited
Master Outdoor Unit stayed under low Compression limit for 3
minutes
40*
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 6 *
Master Outdoor Unit Suction Temperature Sensor
Fault
Master Outdoor Unit Suction 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
52*
Communication error : inverter PCB ’ Main PCB
Failing to receive inverter signal at main PCB of Master 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 Master
Outdoor Unit
59*
Wrong setting between master and slave outdoor
unit
When geothermal mode setting is different(Fn 2 setting)
6 0 * Inverter PCB EEPROM Error of Master Outdoor Unit Access Error of Inverter PCB of Master Outdoor Unit
62*
Master Outdoor Unit Inverter Heatsink High
Temperature
System is turned off by Master Outdoor Unit Inverter Heatsink High
Temperature
65*
Master Outdoor Unit Inverter Heatsink Temperature
Sensor Fault
Master Outdoor Unit Inverter Heatsink Temperature Sensor open
or short
7 1 * Inverter CT Sensor Error of Master Outdoor Unit Inverter CT Sensor open or short of Master Outdoor Unit
8 6 * Master Outdoor Unit Main PCB EEPROM Error
Communication Fail Between Master Outdoor Unit Main MICOM
and EEPROM or omitting EEPROM
104*
Communication Error Between Master Outdoor
Unit and Other Outdoor Unit
Failing to receive Slave Unit signal at main PCB of Master
Outdoor Unit
1 1 3 * Outdoor Unit Liquid pipe Temperature Sensor Error Liquid pipe temperature sensor of Outdoor Unit is open or short
115*
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
145*
Outdoor unit Main Board - External Board
communication Error
Outdoor unit Main Board - External Board communication Error
1 5 0 * Outdoor Unit Discharge Superheat not satisfied
Outdoor Unit Compressor Discharge Superheat not satisfied during
5 Min.
151*
Failure of operation mode conversion at Outdoor
Unit
Failure of operation mode conversion at Outdoor Unit
1 8 0 * Plate type heat exchanger freeze prevention Plate type heat exchanger freeze prevention error
1 8 1 * Water outlet temperature sensor error Water outlet temperature sensor open or short
182*
Outdoor unit External Board Main-Sub Micom
communication Error
Outdoor Unit Main Board Main-Sub Micom communication 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 8 8 * Water inlet temperature sensor error Water inlet temperature sensor open or short
1 8 9 * Flow switch error Heat water not supplied or flow rate is insufficient