Skip to main content
Error code reference
LG Range Error Codes
32 error codes documented with diagnostic procedures.
Have your model number? Get codes specific to your unit.
-dC-Partition switch errorC-20Oven sensor opened (over 2950Ω) or oven sensor shorted (under 930Ω).C-21Oven heating overC-30PCB temperature sensor opened or PCB temperature over threshold (under 872Ω during 10…C-31PCB temperature sensor shorted.C-d0Shorted key detected on the membrane keypad.C-d1Door locking malfunctionC-F0Main PCB communication error between Sub PCB and Main PCB.FSelf clean error code indicating oven is malfunctioning in the self clean mode…F-18Probe thermistor is shorted for over 1 minute after cook starts during cooking.F-8Upper temp probe thermistor is shorted over 1 minute after cook starts.F0CLEAR/OFF key input failureF1Key pad held down too long or shorted keyF10Door lock failureF11No heatingF16Lower oven hot errorF17Lower oven convection fan motor openF19Lower oven no heatingF2Door locking system failureF20Lower oven door lock failureF27Stalled fan sensor errorF3Key short errorF4Main oven temperature sensor shortedF5Warming drawer sensor shortedF6Upper oven hot errorF7Main oven no heating errorF9Oven no heatingFCDoor latch errorFDProbe failureFFControl failureHSHot surface indicatorPFPower Failure indication
Get the full diagnostic procedure for any code
Step-by-step tests, expected values, wiring diagram references, and verified part numbers.
Get Started $9.95 3-day pass$29/month for all brands and Max diagnostics, with 70 Max messages a day. Plus applicable tax.