Question about Microwave Ovens
It may be a loose fuse holder.
If you can easily rotate the fuse with your fingers, then the holder is too loose and it needs to be replace, not just tightened with pliers.
Another giveaway is if the fuse has a dark ring and/or small ball of solder at the point where one of the end caps meets the ceramic body of the fuse.
The location of the fuse will depend on the model, but it's usually pretty simple.
If you or someone you know decide to look into it, we have critical safety information and disassembly information at our site, and our link is at our listing here on FixYa.
At our site, we now have a video available showing how to remove a typical control panel assembly in under 5 minutes.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Aug 02, 2008
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