Smeg oven vibrates excessively or rattles the cabinet when the fan is running.

Safety first: Turn off power before tightening any fixings.

• Secure oven in cabinet: Check that the mounting screws securing the oven to the cabinet sides or top are installed and tight.
• Check internal fittings: Remove shelves, trays, and side racks. Run the oven briefly to see if vibration persists. If it stops, refit components securely.
• Inspect fan mounts: Access the convection and cooling fans and tighten all mounting screws. Replace any missing rubber grommets or vibration dampers.
• Balance fan blade: If the fan blade is bent or damaged, replace it or the complete motor assembly.