After running a self-cleaning cycle, the door will not unlock. It is the type that has the handle in the front that must be moved to lock it. I have researched it and it apears to be called a "heat sensitive" style lock. I have tried starting the clean cycle and canceling it, I have tried unplugging it to let it reset, and I have tried running it through another full cleaning cycle and nothing works. I've tried to get to the latch, but the 2 screws I need are blocked by the door. This is the first time this has happened while using this clean cycle. I have tried everything to get the door open. Please help me get the door open before I have to pay $200+ for a service call