Oven emits a strong burning smell or smoke when used, even after initial burn-in.

Safety first: If you see heavy smoke or flames, switch off power immediately. Allow the oven to cool before inspection.

Inspection:

• Check elements and cavity surfaces for heavy grease or food deposits; clean with appropriate oven cleaner (avoid spraying directly on elements).
• Inspect behind the rear panel for insulation or wiring that may have fallen onto elements; reposition or replace as needed.
• Verify that ventilation openings around the oven are not blocked by cabinetry.
• If you smell burning plastic or see melted components, disconnect power and replace any damaged wiring, connectors, or panels before further use.