SOURCE: GH7145XFB-1 not heating properly
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 conneciton on the control unit circuit board
- bad magnetron or other high voltage part
If you or a friend decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and disassembly information at our site, linked here on Fixya: http://tinyurl.com/yzjozk
SOURCE: noisy microwave not cooking
Is it making a louder than usual; buzz or hum when you try to cook? line-height:normal">mso-fareast-font-family:"Times New Roman"">http://www.microtechfactoryservice.com/diode.html line-height:normal">mso-fareast-font-family:"Times New Roman""> http://www.microtechfactoryservice.com/mag_test.html line-height:normal">mso-fareast-font-family:"Times New Roman""> http://www.microtechfactoryservice.com/xformer.html
If so, I would suspect a shorted high voltage diode ore a bad magnetron.
-.htmHere are some links you or someone you know can use for test help, but read
their safety warnings first:
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We have the service manual and I have uploaded it to our site for you here.
-.htmPlease reply back here if you still need help.
We\'re happy to help and we appreciate your thoughtful
rating of our answer.
SOURCE: vent fan high comes on automatically with cooking
Right, that would be MCO10UW and the owner's manual is here.
The owner's manual does say this, of course,
"To prevent overheating from taking place, the exhaust
fan is designed to automatically turn on at a low speed if
excessive temperatures occur. Should this happen, the
fan cannot be manually turned off, but it will
automatically turn off when the internal parts have
cooled. The fan may stay on for up to an hour after the
range and microwave oven controls have been turned
off."
That;'s standard on microwaves.
But these models do have a separate internal cooling fan (which should run any time you microwave) plus the hood vent exhaust fan, which should only run when you select it, or if there is an excessive stovetop or under-hood temperature.
So if it comes on whenever you microwave, that is incorrect.
When that happens, it's usually a defective vent thermal switch (a.k.a. hood TCO).
But since it's brand new, I would certainly contact Magic Chef about this. If it's in need of repair, they will fix it free, assuming the oven wasn't physically damaged.
For more help from Magic
Chef / Ewave see here or their contact page.
For Magic Chef
in Canada call 866.587.2002
We're
happy to help you with free advice and we'd appreciate your
thoughtful rating of our answer.
SOURCE: Tappan TMV151FS over range microwave starts to work and then dies
Never run the microwave without a load (something to heat)!!! That kills the microwave generating parts.
Sounds like a 'thermal' protect switch is activating after running. Make sure that (if the unit is mounted in a cabinet) that there is sufficient space around the unit for proper air flow and that nothing is blocking the vents. Try setting it on a counter top and heat something. If it works properly and doesn't shut off, the venting space is the problem. You may have to have the cabinet that it sits in redesigned for more clearance.
SOURCE: GE Microwave wes1384sm2ss quit cooking. it
Owners of a GE WES model
might want to look at this
blog post.
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