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LG Refrigerator Error Codes
511 error codes for LG refrigerator models. Each links to the full diagnostic procedure from the service manual.
CodeDescription
●◎◎◎◎Defrost Error●◎●◎●F-FAN (Freezer Fan) Error●◎●●◎C-FAN (Condenser Fan) Error●●◎●●R-Sensor (Refrigerator Sensor) short or open circuit detected.●●●◎●D-Sensor (Defrost Sensor) short or open circuit detected.●●●●●RT-Sensor (Room Temperature Sensor) short or open circuit detected.01Ice Maker sensor error02Refrigerator sensor error03Damper Heater error04Ice Maker function error05Ambient air sensor error06Freezer sensor error07Freezer defrost sensor error08Freezer fan motor error09Condenser fan motor error1Ice maker sensor system abnormality1-2-3-4-5Control panel lights blinking sequentially indicates the refrigerator is in…10Abnormality in defrosting sensor system for CF compartment10EFZ-Ice Pipe Heater Error11Abnormality in defrosting system for CR compartment (defrosting heater electric…MyPros+ Max
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12Abnormality in defrosting system for CF compartment (defrosting heater electric…13Water heater system abnormality14External atmosphere sensor system abnormality14EIce Maker(F/Freezer) Sensor Error15F compartment sensor system abnormality15EIce Maker(FF/Fridge) Sensor Error16System abnormality of defrosting sensor for F compartment17Fan motor system abnormality in F compartment18Fan motor system abnormality in machine compartment (condenser fan)19CF compartment sensor system abnormality1EFZ-Sensor Error2R compartment sensor system abnormality20Abnormality in defrosting system for F compartment (defrosting heater electric…21Fan motor system abnormality in CF compartment21EFZ-FAN Error22Fan motor system abnormality in CR compartment22EFF-FAN Error23Condenser Fan Motor error (C-FAN ERROR)23EC-FAN (Condenser Fan) Error24Freezer Defrost Heater error25Uart communication error with PLC modem (electric power line communication…25EFZ-DEF Heater Error26Bad communication between LOAD and MAIN MICOM26EFF-DEF Heater Error27Bad communication between PANEL and MAIN MICOM2EFF-Sensor Error3System abnormality of defrosting sensor for R compartment33EIce Maker(FF/Fridge) Function Error35EFF Ice Duct Heater Error36EFF Ice Bucket Heater Error39EIce Maker(FZ) Function Error3EFZ-DEF-Sensor Error4Fan motor system abnormality in R compartment40EIce Room Sensor Error41EIce Room-FAN Error4EFF-DEF-Sensor Error5Ice maker operation abnormality5EAmbient-Sensor Error6Cooling BLDC motor abnormal6EPANTRY-Sensor Error7Abnormality in defrosting system for R compartment (defrosting heater electric…8CR compartment sensor system abnormality81Compressor start-up failure error82Compressor IPM fault error.83Compressor motor location detect error83ECompressor Starting Failure Error84Compressor motor restriction/locking error84ECompressor Under Voltage Error85Compressor low-voltage error85EIPM Fault Error86Compressor over-voltage error86ECompressor Abnormal Current Detection Error87ECompressor Over Voltage Error88/8EInsufficient cooling in lower part due to lower part interior sensor line cut…88/E8Insufficient cooling or weak cooling/overcooling malfunction due to cut wire or…88/EEInsufficient cooling in lower part due to lower part interior sensor line cut…88EMotor Locked / Over RPM Error8EHumidity-Sensor Error8E/88Insufficient cooling in upper part due to upper part interior sensor line cut…9Abnormality in defrosting sensor system for CR compartment9EFlex Zone-Damper-Heater ErrorAmbient Air Sensor ErrorExternal ambient air sensor system has errors.AMBIENT SENSOR ERRORAmbient temperature sensor faultaSAmbient (room temperature) sensor failureCCooling FAN BLDC Motor FailureC-FANCooling (condenser) fan motor (BLDC) abnormalC-FAN ERRORC-fan motor errorC/F-DEF-SENC/F defrost sensor failure detected by self-diagnosis.C/F-SENC/F (center-freezer) sensor failure detected by self-diagnosis.C/R-DEF-SENC/R defrost sensor failure detected by self-diagnosis.C/R-SENC/R (center-refrigerator) sensor failure detected by self-diagnosis.C1Cycle abnormal or defectiveCdCommunication error between Main MICOM and Compressor Driver MICOM on Main PCB.CFAbnormal cooling BLDC motorCF EAbnormality of BLDC fan motor for mechanical room (condenser fan); caused when…CF-DEFROST ERRORCF compartment defrosting heater errorCF-FAN ERRORCF-fan motor errorCF-SENSORCF compartment sensor errorCHHigh side cycle leakageCH EHigh side cycle leakage detected by high side refrigerant leak, restriction…CLLow side cycle leakageCL ELow side cycle leakage detected by low side refrigerant leak, bad compressor…COCommunication ErrorCO 1Communication error between Top Display and Dispenser Display PCBs.CO ECommunication error between Micom of Main PCB and Display MicomCommunication errorCommunication failure between main MICOM and linear drive MICOMComp Tx ErrorCommunication error between compressor drive PCB and refrigerator set control…Compressor Fan ErrorFan motor system in machinery room has errors (feedback signal line contact…CpLinear compressor failed starting.CR SENSORCR compartment sensor errorCR-DEFROST ERRORCR compartment defrosting heater errorCR-FAN ERRORCR-fan motor errorCSEMulti-use room (Magic room) temperature sensor open or short circuit.CurrentCompressor over-current tripdWater-tank sensor failureD sensorDefrost sensor abnormalD-HeaterDefrost heater errord1Upper compartment defrosting sensor is disconnected or shorted.D2Display for A/S forced defrost mode (service defrost mode active, not a fault).Damper Heater ErrorDamper Heater open/wire connection errors detected (separation of housing part…dEDisplay Communication errorDefrost errorAbnormal defrostDEFROSTING SENSOR OF CF COMPARTMENTCF compartment defrosting sensor errorDEFROSTING SENSOR OF CR COMPARTMENTCR compartment defrosting sensor errorDEFROSTING SENSOR OF R COMPARTMENTR compartment defrosting sensor errordFDefrosting errordHFailure of defrost modedH EDefrost Heater ErrordH FPoor defrosting error; during 2 consecutive cycles the defrosting sensor did…dH RPoor Refrigerator DefrostdPSingle motor damper failuredrRefrigerator door switch defectivedSDefrost sensor failure (short or open)dS EDefrost sensor errordS FDefrost sensor errordS rRefrigerator defrost sensor errorERefrigerator sensor failureE 21Freezer fan error (RSG5B* model display).E 22Fridge fan error (RSG5B* model display).E 23Condenser fan error (RSG5B* model display).E 24Freezer defrost errorE 25Fridge defrost errorE 27Damper heater errorE 4Freezer defrost sensor open or short circuit (RSG5B* model display).E 41Communication error between Panel and Main MICOM (RSG5B* model display).E 5Fridge defrost sensor open or short circuit (RSG5B* model display).E 7Cool Select Zone sensor open or short circuit (RSG5B* model display).E CFAbnormality of BLDC fan motor for mechanic room (condenser fan)E CHHigh side cycle leakage errorE CLLow side cycle leakage errorE COCommunication error between Micom of Main PCB and Display Micom, caused by poor…E CSConvertible sensor errorE FFAbnormality of BLDC fan motor for freezerE FSFreezer sensor errorE gFFlow meter (sensor) defectE HSHumidity sensor error caused by short or disconnection of the humidity sensor.E IDAbnormal freezer room icemaker tray sensorE IFAbnormality of BLDC fan motor for ice makingE ISIcing sensor errorE ItIce maker kit defectE IUAbnormal freezer room icemaker kitE lFAbnormality of BLDC fan motor for ice makingE OdWi-Fi modem errorE r2Refrigerator sensor 2 errorE rFAbnormality of BLDC fan motor for refrigeratorE rSRefrigerator sensor errorE rtRoom (ambient) temperature sensor errorE SdCommunication error between Display PCB Micom and Sub PCB Micom.E SSShort or disconnection of the sensor about ice maker (icing sensor, ice maker…E-dHDefrosting malfunctionE-dSDefrost sensor malfunctionE-gSRoom temperature sensor malfunctionE1Left compartment sensor (R1) failureE1+E2Communication error between main PCB and display PCBE2Right compartment sensor (R2) failureE3Outside temperature sensor error (located on display); all LEDs on the right…E6M-EVA-SENSOR (multi/magic room evaporator sensor) open circuit or short circuit.E8/88Insufficient cooling or weak cooling/overcooling malfunction due to upper part…ECSelf-diagnosis mode is active, appliance is performing self-diagnostic checks…EC1Communication error between main PCB and display PCB.EC2Communication error (secondary) between main PCB and display PCB.ErDefect code displayed on refrigerator and freezer display panels when a fault…Er (Ice Maker Unit)Poor motor or Hall IC within ice-maker unit, snapping/short-circuit of lead…Er (Ice Removal Sensor)Snapping or short-circuit of ice-making sensor; displayed during LED check only.Er (outside sensor)Snapping or short-circuit of outside temperature perceiving sensorEr (rS - sensor 2)Snapping or short-circuit of refrigerator sensor 2.Er (rS note2)Snapping or short-circuit of refrigerator sensor 2.Er 1Refrigerator sensor failureEr 10Abnormal water tank sensorEr 3Abnormal refrigerator sensor 2 (middle part of refrigerator compartment)Er 4Abnormal defrost sensorEr 5Communication error between main PCB and display PCB (continuous information…Er 6Abnormal BLDC cooling fan motorEr 7Abnormal ambient sensorEr 8Abnormal ice maker sensorEr 9Abnormal ice maker unitEr CFFailure of BLDC fan motor at machine roomEr COCommunication failureEr Co2Communication error between Micom of Sub PCB and Display Micom due to poor…Er CSConvertible room sensor error caused by short or disconnection of the…Er dFAbnormal DefrostEr dHFailure of defrost modeEr dPAbnormal electronic single (stepping) motor damper (faulty damper motor, lead…Er dSDefrost sensor error caused by short or disconnection of the defrost sensor…Er F2Refrigerator sensor 2 errorEr FFFailure of BLDC fan motor at freezing roomEr FSAbnormal Freezer SensorEr gFFlow meter (sensor) defect caused by error of flow meter or water input or low…Er HSHumidity sensor errorEr IdFreezer shelf icing sensor error caused by short or disconnection of the…Er IFIcing fan errorEr IMAbnormal Icemaker UnitEr IM KitAbnormal F Room icemaker kitEr IM TrayAbnormal F Room icemaker tray sensorEr IM2Ice maker ice-making sensor not functioningEr IM3Ice maker equipment not functioningEr ISIcing sensor error caused by short or disconnection of the icemaker-related…Er ItIce maker kit defect caused by other electrical system errors such as motor…Er IUFreezer shelf ice maker kit defect caused by electrical system error such as…Er lFIce maker BLDC fan motor anomalyEr ltIce maker equipment defectEr r1Refrigerator sensor 1 (upper part in refrigerator compartment) short or open…Er r2Refrigerator sensor 2 error (secondary error) caused by short or disconnection…Er rFAbnormality of BLDC fan motor for refrigeratorEr rSRefrigerator sensor (R1-sensor) abnormalEr rS (sensor 2)Refrigerator sensor 2 failureEr RS1Abnormal Refrigerator Sensor (1)Er RS2Abnormal Refrigerator Sensor (2)Er rtAbnormal Room Temperature SensorEr SSRoom temperature sensor failure (indicated only in checking display, not on…Er Wi-FiAbnormal Wi-Fi modemEr-IKIce maker kit errorError1Freezer sensor abnormalError10Water tank sensor abnormalError11Ice maker sensor abnormalError12Ice maker unit abnormalError2Refrigerator sensor R1 abnormal (upper part of refrigerator compartment)Error3Refrigerator sensor R2 abnormal (lower part of refrigerator compartment)Error4Defrost sensor abnormalError5Defrost failureError6Freezer BLDC fan motor abnormalError7Cooling BLDC fan motor abnormalError8Communication abnormalError9Ambient temperature sensor abnormalESWater, Crushed ice, or Cube ice dispenser button errorEXT-SENSORExternal/ambient temperature sensor errorFFreezer FAN BLDC Motor FailureF dHPoor defrostingF dSFreezer defrost sensor error caused by short or disconnection of the defrost…F IFAbnormality of BLDC fan motor for ice makingF-1-ⓐAmbient (external) sensor part errorF-1-ⓑF (freezer compartment) sensor part errorF-1-ⓒF (freezer compartment) defrost sensor part errorF-1-ⓓF (Freezer compartment) inner fan motor part error due to feedback signal line…F-1-ⓔC-FAN ErrorF-1-ⓕIce Room sensor part errorF-1-ⓖF (freezer compartment) defrost heater part errorF-10-ⓑIce Room fan motor errorF-10-ⓕLoad to Main MICOM communication error.F-10-ⓖPanel ↔ Main MICOM communication errorF-1015Communication Error between Display Panel and MICOM (same as Pc-Er).F-110F-FAN ErrorF-111C-FAN ErrorF-112F-DEF Heater Error (Freezer Defrost Heater)F-17Ambient Sensor ErrorF-18F-Sensor (Freezer Room Sensor) ErrorF-19F-DEF-Sensor (Freezer Defrost Sensor) ErrorF-area defroster sensor open/shortFreezer evaporator defrost sensor has an open or short circuit fault, detected…F-DEF-SENFreezer defrost sensor failure detected by self-diagnosis.F-DEF-SENSORF compartment defrosting sensor errorF-DEFROST HEATER ERRORFreezer defrost heater errorF-DEFROST SENSOR ERRORFreezer defrost sensor faultF-defrost sensor openFreezer area defroster sensor open circuit faultF-defrost sensor shortFreezer area defroster sensor short circuit faultF-defroster sensor openFreezer area defroster sensor open circuit faultF-defroster sensor shortFreezer area defroster sensor short circuit faultF-DEFROSTING ERRORF compartment defrosting heater errorF-FANFreezer fan motor (BLDC) abnormalF-FAN ERRORF-fan motor errorF-SENFreezer sensor failure detected by self-diagnosis; display blinks repeatedly at…F-SENSORFreezer compartment sensor errorF-SENSOR ERRORFreezer sensor faultF-sensor openFreezer room temperature sensor open circuit faultF-sensor open/shortFreezer room temperature sensor has an open or short circuit fault, detected…F-sensor shortFreezer room temperature sensor short circuit faultF1Trouble code indicated on Bar-LED or Dot-LED display for freezer temperature…F1 F3Abnormal freezer BLDC fan motorF1 F4Abnormal cooling BLDC fan motorF1+F2Failure of ambient temperature sensorF1+F2+F3+F4+F5Poor communication between main PCB and display PCBF1+F3Failure of single motor damperF1F2Abnormal electronic single motor damperF2Trouble code indicated on the freezing temperature indicator LED in the…F2 F3Condenser fan error displayed on panel.F2 F3 F4 F5Poor defrosting / defrost heater error; defrost sensor has not exceeded +41°F…F2 F4Abnormal cooling BLDC fan motorF2 F5Freezer fan error displayed on panel (BLDC fan motor abnormality).F2+F4Poor defrosting at upper compartmentF3Defrosting function is abnormalF3 F4Faulty defrostF3+F5Poor defrosting at middle compartmentF4Trouble code indicated on the freezing temperature indicator LED in the…F5Failure of middle compartment defrosting sensorFCT0Compressor PCB parts defect (piston overaction)FDFreezer defrost sensor disconnection or short circuit (displays 'Lo' for…FEUnbalance errorFFAbnormal freezing BLDC motorFF 1Forced Operation 1 mode activeFF 2Forced Operation 2 mode activeFF 3Forced Operation 3 mode activeFF EAbnormality of BLDC fan motor for freezer; caused when feedback signal is not…FF-DEF-HEATER ErrorDefrost system in fresh food compartment has error; defrosting does not finish…FF-DEF-Sensor ErrorDefrost sensor system in fresh food compartment has error.FF-FAN ErrorFan motor system in fresh food compartment has error (feedback signal line…FF-Sensor ErrorSensor system in fresh food compartment has error (separation, contact error…Fr CFMachine room (condenser) fan motor errorFreezer 1st Digit bDamper heater errorFreezer 2nd Digit aExternal (ambient) sensor errorFreezer 2nd Digit bFreezer sensor errorFreezer 2nd Digit cFreezer defrost sensor errorFreezer 2nd Digit dFreezer fan errorFreezer 2nd Digit gFreezer defrost errorFreezer Defrost Function ErrorDefrost system in FZ compartment has errors (heater, bimetal, or temperature…Freezer Defrost Sensor ErrorDefrost sensor system in FZ compartment has errors.Freezer Room Fan ErrorFan motor system in FZ compartment has errors (feedback signal line contact…Freezer Room Sensor ErrorSensor system in FZ compartment has errors.FreshFood Defrost Function ErrorDefrost system in FF compartment has errors (heater, bimetal, or temperature…FreshFood Defrost Sensor ErrorDefrost sensor system in FF compartment has errors.FreshFood Room Fan ErrorFan motor system in FF compartment has errors (feedback signal line contact…FreshFood Room Sensor ErrorSensor system in FF compartment has errors (connector missing, contact failure…Fridge 2nd Digit bFridge sensor errorFridge 2nd Digit fCoolSelect Zone sensor errorfSFreezer compartment sensor failureFS EFreezer sensor errorFUCOCycle ErrorFUECycle errorFZ-DEF-HEATER ErrorDefrost system in freezer compartment has error (heater separation, contact…FZ-DEF-Sensor ErrorDefrost sensor system in freezer compartment has error.FZ-FAN ErrorFan motor system in freezer compartment has error (feedback signal line contact…FZ-Sensor ErrorSensor system in freezer compartment has error (separation, contact error…gF EFlow meter (sensor) defect caused by error of flow meter, water input, low…HDefrosting failureH1Poor defrosting at upper compartmentH2Poor defrosting at middle compartmentHIAmbient temperature is above 50°C, displayed on outside temperature area of LCD.HSRoom humidity sensor short or open (sensor lead wire or wafer defective).HS EHumidity sensor error caused by short or disconnection of the freezer humidity…HUMIDITY-Sensor ErrorHumidity sensor system has error.I/M FUNCTION ERRORIce maker function errorI/M KitIce maker unit failureI/M-SENSORIce maker sensor errorI/M-Sensor ErrorSensor system in Ice Maker (FZ) has error.ICE MAKER FUNCTION ERRORIce maker kit malfunctionICE MAKER SENSOR ERRORIce maker sensor faultICE PIPE HEATER ErrorIce Pipe Heater in freezer compartment has error (separation of housing part…Ice Room Fan ErrorFan motor system in ICE ROOM has errors (feedback signal line contact failure…Ice Room Sensor ErrorSensor system in ICE ROOM has errors; temperature error code displays when…ICE-KitIce maker kit errorICE-SensorIce maker sensor errorIcemaker Sensor MalfunctionIcemaking sensor open or short-circuited wire indicated on ice maker water…Icemaking Sensor malfunctionIcemaker sensor has an open or short-circuited wire.iDIce room (IR) sensor disconnection or short circuit (displays 'Lo' for…Id EAbnormal freezer room icemaker tray sensor caused by icemaker tray sensor short…IEInlet valve errorIF EAbnormality of BLDC fan motor for ice making; caused when feedback signal is…IPMIPM (Intelligent Power Module) faultISAbnormal ice maker sensorIS EIcing sensor error caused by short or disconnection of the ice maker sensor…ItAbnormal Ice Maker UnitIt EIce maker kit defectIUAbnormal freezer room icemaker kitIU EAbnormal freezer room icemaker kit error caused by motor, gear, Hall IC…L/PistonCompressor piston lock detectedL↔M COMMUNICATION ERRORCommunication error between MAIN MICOM and LOAD (SUB) MICOM; LED panel repeats…L1Top sensor disconnection or short-circuit detected.L1 L2Single motor damper defectL1 L3Room temperature sensor disconnection or short-circuit detected.L2Bottom sensor disconnection or short-circuit detected.L3Defrosting sensor disconnection or short-circuit detected; defrosting is…L4Defrosting failureLc - ErLOAD MICOM to MAIN MICOM communication errorLEMotor locked errorLED 1 blinkCompressor AD Offset ErrorLED 1 timeAD-offset Error on compressor PCBLED 2 blinksKnob dial errorLED 3 blinksCompressor no-connect tripLED 5 blinksCompressor piston blocked (Lock Trip)LED 6 blinksCompressor activation overcurrent errorLED 6 timesCircuit over-current error on compressor PCBLED 7 blinksIPM (Intelligent Power Module) fault on main boardLED 7 timesPCB defect (IPM fault)LED 8 blinksCommunication error between compressor controller and refrigerator temperature…LLL/Room sensor error detected (open or short circuit in the left room…LoAmbient temperature is below -10°C, displayed on outside temperature area of…Lock/UnlockAmbient sensor error detected; relevant lamp blinks at 0.5 second intervals…LSLower compartment (K3) sensor is disconnected or shorted.M-EVA sensor failureFailure of Opti zone Eva sensor due to cut or short circuit wire; all display…M-Eva sensor failure (MEAT OPTI off)Failure of Opti zone Eva sensor due to cut or short circuit wire; indicated by…Main<->LCD Communication ErrorCommunication between Panel MICOM and MAIN MICOM is not available for 10…Mid Pantry-Sensor ErrorSensor system in Pantry Room compartment has error.Miracle Zone sensor errorFailure of Miracle Zone sensor due to cut or short circuit wire (BEST model…OWi-Fi PCB AbnormalOdWiFi PCB and Display PCB connection failure (connect fail or PCB defective).Od EAbnormal Wi-Fi modem communication error between Display and Wi-Fi modem caused…OEOverflow errorOF rFridge-Off Forced OperationOF-OFCooling off mode is activeOFFFailure of fan motor at mechanic (condenser) roomOP-ErOption Error between Display Panel and MICOMOpti zone Eva sensor failureFailure of Opti zone evaporator sensor due to cut or short circuit wire…Opti zone sensor failureFailure of Opti zone sensor due to cut or short circuit wire; indicated by all…Opti zone sensor failure (GREEN OPTI off)Failure of Opti zone sensor due to cut or short circuit wire; indicated by all…Outer sensor openAmbient (outer) temperature sensor open circuit faultOuter sensor open/shortAmbient (outside) temperature sensor has an open or short circuit fault…Outer sensor shortAmbient (outer) temperature sensor short circuit faultP↔M COMMUNICATION ERRORCommunication error between PANEL MICOM and MAIN MICOM; LED panel repeats ALL…Pantry Room DAMPER HEATER ErrorDamper heater open or bad wire detected (separation of housing part, contact…Pantry Room Sensor ErrorSensor system in Pantry Room has errors; temperature error code displays when…Pc - EPantry Room Display communication errorPC ErCommunication error between MAIN MICOM and Panel MICOM (no response in 10…PEWater level sensor errorPoAbnormal supplied power voltage.rRefrigerator sensor failurer dHRefrigerator defrosting errorR dSRefrigerator defrost sensor error caused by short or disconnection of the…R-1-ⓐIce Maker Sensor part errorR-1-ⓑR (fresh food compartment) Sensor part errorR-1-ⓒR (Fresh food compartment) defrost sensor part error due to separation of…R-1-ⓓR (Fresh food compartment) inner fan motor part error due to feedback signal…R-1-ⓔIce Maker Function ErrorR-1-ⓖR (fresh food compartment) defrost heater part errorR-10-ⓐPantry Room damper heater open/wire connection errorR-10-ⓑPantry Room sensor part errorR-10-ⓓIce Maker (F) sensor system errorR-10-ⓔIce Maker (F) operation errorR-10-ⓕIce pipe heater errorR-10-ⓖWater Tank Heater open/wire connection errorR-1013Pantry Damper Heater ErrorR-1014Pantry Sensor ErrorR-1016Ice Pipe Heater ErrorR-11Ice Maker Sensor ErrorR-12R-Sensor (Fridge Room Sensor) ErrorR-13R-DEF-Sensor (Fridge Defrost Sensor) ErrorR-14R-FAN ErrorR-15Ice Maker Function ErrorR-16R-DEF Heater Error (Fridge Defrost Heater)R-area defroster sensor open/shortRefrigerator evaporator defrost sensor has an open or short circuit fault…R-DEF-SENRefrigerator defrost sensor failure detected by self-diagnosis.R-DEFROST HEATER ERRORRefrigerator defrost heater errorR-DEFROST SENSOR ERRORRefrigerator defrost sensor faultR-defrost sensor openRefrigerator area defroster sensor open circuit faultR-defrost sensor shortRefrigerator area defroster sensor short circuit faultR-defroster sensor openRefrigerator area defroster sensor open circuit faultR-defroster sensor shortRefrigerator area defroster sensor short circuit faultR-DEFROSTING ERRORR compartment defrosting heater errorR-EVA sensor failureFailure of Refrigerator Eva sensor due to cut or short circuit wire; all…R-Eva sensor failure (R.temp display off)Failure of Refrigerator Eva sensor due to cut or short circuit wire; indicated…R-FAN ERRORR-fan motor errorR-SENRefrigerator sensor failure detected by self-diagnosis.R-SENSORRefrigerator compartment sensor errorR-SENSOR ERRORRefrigerator sensor faultR-sensor openRefrigerator room temperature sensor open circuit faultR-sensor open/shortRefrigerator room temperature sensor has an open or short circuit fault…R-sensor shortRefrigerator room temperature sensor short circuit faultR0Refrigerator sensor failureR0 ON, R1-R4 OFFDefrost sensor failureR0 R1 ON, R2-R4 OFFRefrigerator sensor failureR0 R1 R2 ON, R3 R4 OFFDefrost operation failureR1Cut or short-circuited wire of refrigerator (R) sensor on the control box of…R1 R2 R3 ONAmbient (RT) sensor open or short circuit.R1 R2 R3 R4Faulty R sensorR1 R2 R3 R4 (blinking pattern 2)Faulty D sensorR1 R2 R3 R4 (blinking pattern 3)Defrost problemR1 R3 ONRefrigerator sensor open or short circuit.R1 sensorRefrigerator sensor (1) abnormalR2Faulty defrosting sensor; cut or short-circuited wire of defrosting sensor…r2 ERefrigerator sensor 2 errorR2 R3 R4 R5 ONFreezer fan motor locked (F-FAN LOCKED).R2 R4 ONDefrost sensor open or short circuit.R2 sensorRefrigerator sensor (2) abnormalR3Defrosting failure; cut or disconnected wire of defrosting heater or…R3 R4 R5 ONDefrost problemR4Failure of Defrost modeR4 R5Defrosting malfunctionR5Failure of Fan Motor at freezer compartmentrDRefrigerator defrost sensor disconnection or short circuit (displays 'Lo' for…Refrigerator Eva sensor failureFailure of Refrigerator evaporator sensor due to cut or short circuit wire…rFFailure of Fan Motor at Refrigerator CompartmentrF ERefrigerator fan motor errorrrR/Room sensor error detected (open or short circuit in the right room…rSRefrigerator compartment sensor failurerS ERefrigerator sensor errorrtAbnormal Room Temperature Sensorrt EAmbient/defrost sensor errorRT sensorRoom temperature sensor abnormalRT sensor errorFailure of RT (Room Temperature) sensor due to cut or short circuit wire.RT sensor failureFailure of RT (room temperature) sensor due to cut or short circuit wire…RT sensor failure (FRZ+REF temp off)Failure of RT (Room Temperature) sensor due to cut or short circuit wire…Sd ECommunication error between Micom of Display PCB and Ice Maker Sub PCB MicomSensor blinkSensor failure detected at power-on or during operation; the display blinks the…SSFailure of Opti-Fresh SensorSS ESub error (displayed by pressing Ice Plus + Freezer buttons simultaneously).StrokeCompressor stroke triptEWash heating errorttWater tank not assembled correctly or water tank hall switch abnormal (lead…UART COMMUNICATION ERRORCommunication error with PLC modem or PLC modem not connected; note that…USMiddle compartment (K2) sensor is disconnected or shorted.UU/UUOver-cooling and weak-cooling in upper and lower part at the same time…WATER HEATER ERRORWater heater housing missing or electric wire cut.Water Tank Heater ErrorWater Tank Heater open detected (separation of housing part, bad contact, wire…WT-SensorWater tank sensor error