Error code reference

LG Microwave Error Codes

22 error codes documented with diagnostic procedures.

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-SE-Key Short Error -tE-Touch error EInvalid input error-appears when an invalid time of day is set (outside 1:00-12:59), when…E-01Sensor error during sensor cook or temperature process, typically caused by incorrect…E-21Temperature Sensor Open Error E-22Temperature Sensor Short Error E-23Preheat Max Time Error E-24Over temperature error E-25Abnormal temperature sensed at Microwave mode (internal temperature over 200 degrees).E-81CB (control board) communication error between main PCB and display.E-83PCB communication error between main PCB and sub PCB.E02Thermistor open Error-01Error during sensor cook and temperature process, typically caused by incorrect sensor…F-1Toaster heater or thermistor fault F-2Shorted or faulty connection at CN3 connector during toaster operation (two wire leads…F-4Humidity sensor self-heating time exceeds 64 seconds or zero balancing voltage does not…F-6Pizza oven heater or PCB assembly fault F-9Fault related to inverter module, magnetron, relay, or unsafe AC input voltage F3Key panel shorted for more than 60 seconds.F5High initial temperature of oven cavity detected (oven cavity temperature too high at…HOTInternal temperature is irregularly high, typically caused by operating the toaster…LChild Lock is active-appears for 1 second when attempting to start cooking while Child…

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