Micro-switch if faulty or in stuck position thinking that it is okay to start/run microwave . these machines are mostly made in china and are sensitive of slamming the door too hard the plunger that insets into wave there is a micro-switch, you will have to take apart the wave..sorry ..
SOURCE: Will not heat.
Hi I've been out of the microwave repair business for a few years now, but the technology has remained virtually the same as far as I know. You obviously have some knowledge of them, as you know about the safety switches in the door. Microwave ovens are actually a very simple device, to test it, put a coffee cup of water inside, and set the unit on high for one minute. A second or two after you hit the start button, you should hear a fairly loud "bong" noise, and a hum that continues untill the time runs out. That noise is the magnetron starting up, and if that noise does not happen, then the magnetron or related circuitry is probably bad. NEVER open up the oven, as the magnetron may be charged, and must be discharged by a technician. If the sounds that I described are present, then the water should be boiling or close to it in one minute, if not,then something I've never seen has gone wrong. Assuming you had a year warranty on it, I know from experience that if you contact Goldstar customer service by phone, or letter, they will often extend their warranty a month or so to keep happy customers. Its worth a try. Hope this helps you out. P.S. Never operate a microwave without something inside (Non metalic)
SOURCE: Door Window steams up on Microwave
Is the internal cooling fan running? You should feel air flow from the grille in the front or back (as the case may be).
If it's just steaming up the inner face of the door, that's fairly normal, but if the steam is appearing inside the layers of the door, that is not normal.
Since it's new and you've got a warranty, I would call Emerson.
SOURCE: microwave
Generally, the most common causes of a failure to heat are:
- bad door switches or door switch mounts
- loose connection at the magnetron
- problem or loose connection on the control unit circuit board
- bad magnetron or other high voltage part (such as a shorted diode)
If you or someone you know decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and disassembly information at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk
You can usually find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383
If not, please reply back with your brand and full model.
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SOURCE: Neff H5642 1000 Watt Microwave
Sounds like the Magnetron may have collapsed. Probably not worth repairing. Check for burnt/browned components on circuit board/s. Burnt wires, insect or ant damage or soiling. Magnetron is the large-ish square metal object with lots of heat-sink fins on it. Check for discolouration. If nothing obvious, it's probably stuffed, If something is obvious, it's still stuffed, but it may be repairable.:::Spiceweasel.au
SOURCE: Kitchenaid KHMS155LSS 1000 watt microwave makes grinding noise
Chances are you have a bad stirrer motor or the stirrer blade is jamming or loose on the motor shaft.
Your owner's manual should tell you how to remove the stirrer cover to check it.
If
for some reason you don't have your owner's manual, you can download it free here, as well as the parts manual for your model.
You can also find
helpful exploded view diagrams and order parts by entering your full
model number here.
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thoughtful rating of our answer.
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