Cuisinart CPC-600AMZ 1000-Watt 6-Quart Electric Pressure Cooker, Brushed Stainless and Matte Black CUSTOMER REVIEWI've never used a pressure cooker before, and I was so excited to get my Cuisinart CPC-600 pressure cooker! At first it worked just great and I was delighted to turn out wonderful stews in 20 minutes and even meatloaf in 25 minutes. But after about a week it stopped coming up to pressure and steam poured out of the red float valve....