Can this replace the microwave?
Air ovens and microwave ovens differ in function and technical principles, with air ovens being more suitable for heating fried foods. If you only want to achieve results like a microwave oven, it's best to wrap your food in aluminium foil.
Why does the fan keep working?
Because the air fryer's fan is used to circulate the hot air and also to heat the food more evenly, the fan is always running and will not stop during the cooking process., After cooking, the fan will continue to run for 1 minute to turn off.