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Unfortunately it sounds like your thermal fuse failed when you self cleaned. On most of these double ovens by Whirlpool there is a thermal fuse mounted to the back of the display board. The thermal fuse would need to be replaced if your model has a thermal fuse. If it doesn't have a thermal fuse and the oven is getting 220 volts from your house, then the display board itself is shorted and would need to be replaced I'm sorry to say.
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