Microwave produces unusual odors (chemical, plastic, or fishy smell) even when empty.

Safety first: If the smell is strong and electrical (e.g., burning plastic), unplug immediately.

• 1. Deodorize cavity: Heat a bowl of water with lemon slices or baking soda for several minutes, then wipe the interior. Repeat as needed for food odors.
• 2. New unit smell: A mild chemical odor in a new Russell Hobbs microwave can be normal and should fade after a few uses.
• 3. Electrical smell: If the odor is sharp and persists, stop using the microwave. A technician should inspect internal wiring, the magnetron, and transformer for overheating.