Model reference
LG KFRD-71LW/Y11E(A)
Air Conditioner
1 document46 error codes
Available documentation
Tech Sheet
- LG Samsung GR L217BVK AWBCLGB LG Brand LRSC21935SB LRSC21935SB English30 pg
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Error codes (46)
CodeMeaning
CH00No error present.CH01Indoor unit air temperature sensor error.CH02Indoor unit inlet pipe temperature sensor error.CH03Remote controller communication error.CH04Drain pump error.CH05Outdoor unit communication error.CH06Indoor unit outlet pipe temperature sensor error.CH07Simultaneous cooling/heating operation conflict.CH08Indoor unit expansion valve malfunction.CH16Fire alarm triggered.CH21DC Peak (IPM Fault)CH22CT 2 (Max CT)CH23DC Link Low VoltageCH24High pressure / low pressure / thermal protection switch error.CH25Low voltage or overvoltage condition detected.CH26DC compressor position error (compressor wiring connection error).CH27PSC Fault ErrorCH28DC Link High VoltageCH31CT error (low current detected).CH32Discharge pipe temperature too high (inverter compressor).CH33Discharge pipe temperature too high (constant speed compressor).CH34High pressure sensor error.CH35Low pressure sensor error.CH36Refrigerant leak / loss detected.CH40CT sensor open or short circuitCH41Inverter discharge pipe thermistor open or short circuit.CH42Low pressure sensor open or short circuit.CH43High pressure sensor open or short circuit.CH44Outdoor air temperature thermistor open or short circuit.CH45Condenser pipe temperature sensor error (open/short)View all 46 error codes
CH46Suction pipe temperature sensor error (open/short)CH47Constant-speed discharge pipe thermistor open or short circuit.CH48Condenser pipe temperature sensor error (open/short)CH49Voltage sensor open or short circuit.CH51Exceeded maximum number of connected indoor units (capacity).CH52Communication error between inverter board and main board.CH53Communication error between outdoor unit and indoor unit.CH54RST reverse phase detection error.CH55Communication error (outdoor unit receiving from central controller).CH56Communication error (outdoor unit sending to central controller).CH60EEPROM checksum errorCH61Condenser pipe temperature too high.CH62Heatsink temperature too high.CH63Condenser pipe temperature too low.CH64Momentary power interruption detected.CH65Heatsink thermistor open or short circuit.
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