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LG Microwave Error Codes
85 error codes for LG microwave models. Each links to the full diagnostic procedure from the service manual.
CodeDescription
0tTemperature sensor of PCB short-circuit error (alternate display for cooling…C-1Cooking sensor (gas sensor) information codeC-10Cooking (gas) sensor information code; gas sensor value is below 5 or more than…C-2Temperature sensor open or short information codeC-20Temperature sensor open or short information codeC-A0The oven has failed to sense the opening or closing of the damper for 1 minute.C-d0Control buttons are pressed over 60 seconds (key short condition).C-F0Display PCB communication problem between main PCB and display assembly.C-F1PCB communication problem between main and display boards.C-F2Touch ProblemCAThe oven has failed to sense the opening or closing of the damper for 1 minute.CdControl buttons are pressed over 60 seconds (key short condition).CFThe microwave has sensed an internal communications failure.dEDivider Missing ErrorEInvalid input errorE-01Sensor error during sensor cook or temperature process, typically caused by…E-03Convection motor or heater openE-04Cooking time setting over error for Convection mode (max 45 minutes).E-05Swing heater detection errorE-06Swing heater detection failureMyPros+ Max
Get the full diagnostic procedure for any LG microwave error code.
- Step-by-step tests with expected resistance, voltage, and continuity values
- Wiring diagram references and connector pinouts
- Verified part numbers when replacement is required
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E-07Over Time ErrorE-08Swing heater fails to sense that it has stopped for 60 seconds during cookingE-09Damper is not set to be positioned for 2 minutes; also displayed when oven…E-0AInternal oven temperature abnormal errorE-0bCooling Fan Motor ErrorE-0DDivider Missing ErrorE-11Sensor open error; the gas sensor is unplugged, wiring is faulty, or the smart…E-12Gas sensor short errorE-13Sensor T1 max time errorE-14Gas sensor dry up / no load errorE-21Temperature Sensor Open ErrorE-22Temperature Sensor Short ErrorE-23Preheating Max Time ErrorE-24Over temperature errorE-25Overheat during cooking causes temperature to reach 500F, stops all modes of…E-26Temperature did not rise above fixed AD value within first 3 minutes after…E-27Initial temperature error at MW modeE-28Sensor short error (referenced in troubleshooting flow for sensor short errors).E-29Sensor open error (referenced in troubleshooting flow for sensor open errors).E-2AOven over-temperature errorE-2BCooling fan motor temperature sensor open errorE-2CCooling fan motor temperature sensor short errorE-31Weight Sensor Open Error (when value of HEX is above FF for 5 seconds).E-32Weight sensor short error (initial value of HEX is under 14 for 30 seconds…E-33Weight sensor errorE-34Weight Sensor errorE-35Weight sensor errorE-36Weight Sensor Door Open ErrorE-41Easy/PH Sensor Open ErrorE-42Easy/PH sensor short errorE-43Easy/PH sensor T1 max time error.E-44Easy/PH sensor dry up errorE-45Easy/PH sensor cooling errorE-46Easy/PH sensor primary open errorE-47Easy/PH Sensor Door Open ErrorE-51EEPROM open errorE-52Humidity Sensor Short ErrorE-53EEPROM errorE-54EEPROM zero not to be set error.E-61Humidity sensor open errorE-62Humidity sensor short error.E-63Humidity sensor T1 max time error.E-81CB (control board) communication error.E-83PCB communication error between main PCB and sub PCB.E-A1Damper positioning error (40 seconds timeout).E-b1Cooling fan motor PCB temperature sensor open error.E-b2Cooling fan motor PCB temperature over 75°C error.E-B3Humidity sensor max time error.E-CtCooling fan motor PCB temperature sensor short circuit error.E-EAOven over-temperature errorE02Thermistor openError-01Error during sensor cook and temperature process, typically caused by incorrect…F-1Toaster heater or thermistor faultF-2Shorted or faulty connection at CN3 connector during toaster operation (two…F-4Humidity sensor self-heating time exceeds 64 seconds or zero balancing voltage…F-6Pizza oven heater or PCB assembly faultF-9Fault related to inverter module, magnetron, relay, or unsafe AC input voltageF3Key panel shorted for more than 60 seconds.F5High initial temperature of oven cavity detected (oven cavity temperature too…HOTInternal temperature is irregularly high, typically caused by operating the…LChild Lock is activeOtCooling Fan Motor PCB temperature sensor short-circuit / over-temperature error.S-01Over Time ErrorSEKey Short ErrorTETouch communication error (10 seconds)