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Tried doing this, but thought the magic eraser wouldn't get through the outer layer of the ribbon, so I used very fine sandpaper, 1500 grit wet/dry. It ate through a couple traces. Now I will try the silver conductive pen, but I'm going to order a replacement control panel just in case. If the repair work, I'll use that and keep my new panel as a backup. Hopefully the repair method will be better than OEM and I can keep this dishwasher for many years. Thanks for posting a better DIY.