Doesn't work. I just purchased a Panasonic Microwave on ebay, and plugged it in, and it

Question

I just purchased a Panasonic Microwave on ebay, and plugged it in, and it worked for about 30 seconds. stopped and it says H98. Every time I try to get it going now, it just sits there and says H98It does not have a model number but says "Genius Sensor 1250" 'Invertor" and is a full size 2.2 cubic ft unit.