§ 01 Four common starting points
Symptom routing Pick what you're noticing. We'll walk you through what to check.
§ 04 34 symptoms covered
Troubleshooting When you don't have a code on the display — only what you're noticing or hearing.
Cooking 01 Appliance does not operate. 1 item ▸ 02 Burner flames are very large or yellow. 1 item ▸ 03 Burners are not lighting properly after cleaning the cooktop surface. 1 item ▸ 04 Burning or oily odor emitting from the vent 1 item ▸ 05 Excessive smoking during a Self Clean cycle (On some models) 1 item ▸ 06 Food does not bake or roast properly 1 item ▸ 07 Food does not broil properly 1 item ▸ 08 Moisture collects on oven window or steam comes from oven vent 1 item ▸ 09 Oven smokes excessively during broiling. 1 item ▸ 10 Oven temperature too hot or too cold 1 item ▸ 11 Oven will not work 1 item ▸ 12 Steam is exhausted through the oven vent. 1 item ▸ 13 Surface burners light but the oven does not. 1 item ▸ 14 Top burners do not light or do not burn evenly. 1 item ▸ Noises 15 “Crackling” or “popping” sound 1 item ▸ 16 Fan noise 1 item ▸ 17 When lighting just one burner, clicking noise is heard from all the burners. 1 item ▸ Parts & Features 18 "Loc" is on in the display when you want to cook (On some models) 1 item ▸ 19 Cannot move appliance easily. Appliance must be accessible for service. 1 item ▸ 20 CLEAN and door flash in the display (On some models) 1 item ▸ 21 Clock and timer does not work. 1 item ▸ 22 Convection fan stops. (During Conv.Bake mode) 1 item ▸ 23 Displayed colon in the clock is flashing 1 item ▸ 24 Fan operation (During Bake Mode) 1 item ▸ 25 Light can be seen through the oven air vents. 1 item ▸ 26 Oven control beeps and displays any F code error. 2 items ▸ 27 Oven control displays Sb/5b/S6/56 error code. 1 item ▸ 28 Oven door does not open after a Self Clean cycle (On some models) 1 item ▸ 29 Oven light does not work. 1 item ▸ 30 Oven will not Self Clean. (On some models) 1 item ▸ 31 Range is not level. 3 items ▸ 32 The oven is not clean after a Self Clean cycle (On some models) 1 item ▸ 33 The oven racks were cleaned in a Self Clean cycle. (On some models) 1 item ▸ Wi-Fi 34 Trouble connecting appliance and smartphone to Wi-Fi network 1 item ▸ How we source this Diagnostic content on this page is extracted from the OEM manuals published by LG for the LSG4511ST, with provenance preserved on every entity. Parts are listed only when verified across two or more retailers. Where we paraphrase manual content for clarity, the original passage is preserved and viewable. Where we render content verbatim, citations link back to the source manual.