Oven makes loud rattling, scraping, or humming noises during operation.

Safety: Turn off power before tightening or adjusting any components.

• Identify noise source: Listen carefully to determine if the noise comes from the rear (cavity fan) or top/front (cooling fan).
• Check cavity fan: Remove the internal rear panel and inspect the fan blade. Tighten the centre nut and ensure the blade is not bent or fouling the shroud.
• Inspect cooling fan: Remove the top cover and check that the cooling fan spins freely and is not contacting the housing. Adjust position or replace motor if bearings are noisy.
• Tighten fixings: Tighten any loose screws on side panels, back panel, and internal liners that may vibrate.