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I found the schematic and trouble shooting chart folded inside the back of the control panel on my JVM3160DF2WW. Did you find a solution to your fuse blowing problem? Mine is blowing the 20A fuse at first when opened door during cooking. I found the lower left hand bracket for the door hinge was loose (the spot weld broke). I fixed it with a small low profile bolt and a nut with lock washer in a pre-drilled hole behind the door when you remove the door. The door was sagging a bit before the fix but it blew another fuse on startup. I need to check the door switches.