Leaving a microwave oven on standby mode and not opening it immediately after cooking can pose several risks, including:
Food spoilage: If you leave cooked food inside the microwave for an extended period, it can become a breeding ground for bacteria and other microorganisms. The warm and moist environment inside the microwave can promote rapid bacterial growth, potentially leading to foodborne illnesses if the food is consumed later.
Overcooking: Microwaves continue to emit low levels of radiation even in standby mode. If you leave food in the microwave without opening it, there is a chance that it could continue to cook or overcook, especially if the cooking time was already lengthy. This can result in dried-out, overdone, or burnt food.
Fire hazard: While the likelihood is low, there is still a risk of fire if you leave the microwave unattended for an extended period. Malfunctions, faulty wiring, or overheating components could potentially lead to a fire hazard if left unchecked.
Energy consumption: Microwaves consume a small amount of energy even when in standby mode. By leaving it on without any purpose, you are wasting energy unnecessarily, which can contribute to increased electricity bills and environmental impact.
To ensure safety and maintain the quality of your food, it is generally recommended to promptly remove the cooked food from the microwave after use and store it appropriately. Additionally, turning off the microwave completely or unplugging it when not in use can help conserve energy and minimize potential risks.