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Microwave oven The internal fuse keeps blowing on my built in microwave oven. We have replaced the magatron and door switches but it is still happening. Can you help ?

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The high voltage capacitor is probably shorted, (large, silver, oval shaped part). typically .98mfd to 1.02mfd

Posted on Jun 03, 2008

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the internal fuse inside the microwave has blown.JUST REPLACING THE FUSE PROBABLY WONT FIX IT the fuse usually blows when one or more of the door switches is bad so fuse and door switches would be needed
if ya replace the fuse and it blows again right away it defiently is going to be a door switch that is causing it to blow

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