FINDING ERROR CODES RANGES AND OVENS
Here are the two most popular ways to access error codes on the range/ovens. If your model is not represented here check with the units’ service manual or check it at the lgrepair.com website under test modes. When the test mode is first entered into if it has error codes it will display them at that time.
Press BAKE and BROIL at the same time to bring up any error codes.
Press (+) key first and (-) key second then hold down the Oven Light Key for three seconds to bring up any error codes.
The front right burner comes on as soon as any burner comes on
Model number LSEL6335FE
Serial number 405KMLK1F2
You need to follow service bulletin# CVZ202400056-01 , Replace the rotary switches.