Over five years, the bulb on the right has burned out at least a dozen times, while the one on the left never has. I even switched them once, just to prove it wasn't the bulb. The socket on the right has burned at the edge, but I've made sure there is no shorting. Once replaced, the bulb will last from a few days to a few weeks.
It's not always a "short" (or too low a resistance) that causes a circuit to fail. Sometimes a corroded or overheated connection or a wire will cause a higher than normal resistance to be present, which will result in excessive heat in the area. That can lead to excessive failures. If the wires or terminals at the socket are discolored or have any corrosion, they need to be cleaned, busnished, sanded or replaced as necessary. If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk You can find helpful exploded view diagrams and order parts by entering your full model number (without the suffix) here: http://tinyurl.com/gv383
Posted on Apr 10, 2007
The microwave has a short let a tech look at it to verify.
Posted on Apr 08, 2007
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