You are correct that the key probably only turns one way. However, when you turn the key the first click will be to the "on" or "run" position. If you keep turning the key it will then engage the starter. They are not asking if you have turned the key backwards like in a vehicle. They want to know if the fuse blows by just turning the key to that first position, or does it only blow when you try to start it. That information will help you, and others, to know where to start. I hope you get it figured out. Keep us updated.