Question about Microwave Ovens
I have a Sanyo EM-F541WK microwave. It works fine except today it started running again after I opened the door. At least the light, fan, and turntable was on. I tested it with some cold water. It does not appear that the microwave source itself is running, just the turntable, fan and light. The water did not heat up. Any ideas? Thanks
I would say you have a failing door switch or the mount which holds your door switch is loose or broken. In most designs, it is the upper door switch that will produce these very symptoms when it is intermittent or its mount is broken or loose. Opening the door while cooking (without first hitting the STOP pad) is the primary cause of door switch failure. Slamming the door, damage during shipping or transportation and sloppy manufacturing techniques or materials are the primary causes of trouble with the door switch mounts. If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info (as well as a text file which helps in diagnosing and repairing door switch problems) at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk
Posted on Sep 22, 2007
I had a similar problem. The safety switch for the door mechanism is the EXACT same one as for _2_ safety switches in the back to disable the microwave when the case is removed. I examined the door switch and after years of use the switch contacts had burned out. Fortunately, I just took one of the 2 safety switches from the back and installed them in the front (they're easy to swap out.) It fit perfectly. I then just connected the wires in the back directly and used shrink-wrap tubing to insulate them. Since I don't run my microwave without a case, this isn't an issue.
Posted on Sep 28, 2008
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