Panasonic Microwave Oven With the help of steam the grease in the machine is cleaned in a couple of minutes, this is what steam clean means. Deodorize makes the grill elements clean and the microwave free from germs. Panasonic Microwave Oven Service Center in Hyderabad Keep Warm feature delivers a very low power microwave pulse that keeps the temperature of your food at a constant level without overcooking it. It can be activated for a maximum of 90 minutes. This oven has in-built memory which can store up to three levels of cooking.