Microwave displays E5 and stops heating; fan may continue to run briefly.

Safety: Disconnect the microwave from mains power before inspection.

User checks:

• 1. Clear vents: Ensure all side, rear, and top vents on the Salter microwave are clear of obstructions. Remove any items placed on top that may block airflow.
• 2. Clean dust and grease: Use a vacuum with a brush attachment to gently clean external vent grilles. Wipe away grease buildup with a mild detergent solution.
• 3. Test operation: After cleaning, plug in and run the microwave for 1–2 minutes with a cup of water. Listen for the cooling fan starting when you press Start. If you do not hear airflow, the fan may be faulty.

Technician checks:

• Remove the cabinet and visually inspect the cooling fan motor and blades. Ensure they spin freely by hand (with power disconnected).
• Check the fan motor for continuity and verify supply voltage when the microwave is running.
• Replace the fan motor if seized or electrically open.

If E5 persists after ensuring proper ventilation, the cooling fan system or its control circuit requires professional service.