The counter and light on the Smeg FME24X come on and timer counts down but the oven isn't coming on. A toy screwdriver was inserted in the top hole on right side door opening and fuse tripped. Any solutions?
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Re: Oven not coming on but timer and lights working
The door switches are almost certainly the culprit - probably the upper one. It may also be a loose mount, or even a loose spring in the hook-like devices on the door which activate the switches.
There is a center monitor switch whose purpose is to blow open the fuse if the door is open and the upper or lower switch gets activated.
That's why the fuse blew when the screwdriver was introduced - you activated the door switch while the monitor switch was on.
I've attached a generic picture which gives you the idea.
More importantly, at my Web site, I have critical safety information, disassembly tips, and infomration on checking and replacing door switches.
You can find these via my link at FixYa here: http://tinyurl.com/yzjozk
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If everything else is working but it won't heat the food, the causes are the magnetron "common failure" or the high voltage capacitor and diode can be a factor, the three work together to heat the food. Depending on the nature of repair it can be close to the cost of a new microwave oven.
Those are classic symptoms of a bad magnetron tube, the microwave source. It is possible to replace the part, but usually not worth it. The magnetron is expensive and you should let a professional do the repair. There are lethal voltages under the cover and the chance of microwave leakage if the repairs aren't done correctly. Between the part cost and labor charge, it's usually not much more expensive (sometimes even less!) to buy a new oven.
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