I bought this stove a little over a year ago and at first all was good. I love the stove overall, but just after the warranty ended (we bought the extended warranty) the stove started shutting off during preheat mode. The repairman has come out twice to "fix" this and recently replaced both electronic boards. This was about two months ago. This week I went to use the oven again and the same issue started again. I am beyond frustrated given the cost of this range and that my countertop toaster/convection oven is more reliable. I have also seen a few posts regarding the same issue on other websites by other customers.