This morning I was about to warm my coffee. When I hit "start" there was a little flash and the clock display went blank. Then I reset the clock (it took) and put the coffee in. The internal light came on and the turntable was spinning but there was no heat. Is this an easy problem to repair? It is a Kenmore Model 721.63252300 and is only 3 years old.
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Re: microwave stopped heating
With the symptoms you
have, I would most strongly suspect a blown high voltage rectifier
If you or someone you
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.
should be a "mini-manual" (tech sheet) hidden inside the unit
control panel or hidden on the left side behind the grille, which is
very helpful when troubleshooting, testing, and locating components.
our Web site, we have a video
available showing how to remove a typical
over the range control panel assembly in under 5 minutes.
You can usually find
helpful exploded view diagrams and order parts by entering your full
model number at the Sears
Here are some links you
or someone you know can use for test help, but read their safety
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Just as a NOTE: When I bought my Panasonic microwave from AAFES, before I took it home, they sent it through their maintenance department to adjust the internal voltage. Power for the US is 60 HZ. Power in Europe is 50 HZ. Long Technical Explanation shortened: there's more energy (Heat) in 50 Hz than 60HZ especially when used in anything that uses high power. AAFES adjusted the internal power down to compensate and keep from blowing up the unit. Look for a fuse inside. Replace it, then ask AAFES to reconfigure the product for lower power or 50Hz. Also as a note, many, dare I say most, clocks from the US count the HZ to count time. So if your US clock, say on your coffeepot timer, looses time overseas; it's probably losing 4 hours a day (do the math: 50 hz/60hz=83.333_%. 83.3_%*24 hr=20 hrs or 4 hours lost). So, if your time is set for 7AM coffee start, when you get that cup of coffee at 7:10AM, set your clock forward to 11:10 AM; or at 7PM, make sure it actually says 9PM. It will loose enough time by the next 7AM to be correct.
This usually means that the magnetron circuit has failed. The magnetron is the part that generates the microwaves to heat the food. Typically the problem is the magnetron itself that has died. The cost of replacement comes close if not more than a new microwave oven. Unless the oven is still under warranty, it not worth fixing.
if everything works except the heating, it is most likely the mag tube is on its way out.........that is the most common reason for it not too cook.......since the microwave is a GE and it is 3.5 years old, i would say you are better off buying a new microwave, the mag tube starts at around $70.00 and up + the labor it costs too have a service person put it in........around another $60.00