The vent on the microwave was running at the time.
SOURCE: LG LMVM1935SB Microwave won't heat anymore!
With these symptoms, I would suspect you have a bad magnetron.
If
it's within the magnetron portion of the warranty (usually 5-9 years)
but out of the original full warranty (usually 1 year), then your
manufacturer will cover the part cost, but not the cost to visit you or
the labor charge to do the work.
Some manufacturers will send you the magnetron to do it yourself. If
nothing else, you can save about $75 by taking it to the shop yourself.
Here are some links you or someone you know can use (in order given) for test help, but read the safety warnings first:
http://www.gallawa.com/microtech/diode.html (if it is NOT shorted, it's probably fine)
http://www.gallawa.com/microtech/mag_test.html (continuity can be good even though it is bad!)
http://www.gallawa.com/microtech/xformer.html
To order Goldstar / L.G. parts, visit Vance Baldwin Electronics.
For more
Goldstar / LG / L.G. help, call 1-800-243-0000 (M-F, 7am-8pm CT, Sat
8-5 CT) and choose the appropriate prompt from the menu or visit here. You can get warranty info & find a local authorized servicer.
L.G. / Goldstar owner's manuals can be downloaded here.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
SOURCE: the fan starts up and runs on its own and we are cooking
That is a normal safety feature.
That's only covered in a very subtle note in the hood fan section of your owner's manual:
NOTE:If the temperature gets too hot around the
microwave oven, the fan in the vent hood will
automatically turn on at the HIGH setting to cool the
oven. It may stay on up to an hour. When this
occurs, the fan can not be turned off.
If
for some reason you don't have your owner's manual, you can download it here.
Enter your model number as MV1610ST with no spaces.
You will need the free DJVU viewer to view or print your manual.
We're
happy to help you with free advice and we'd appreciate your
thoughtful rating of our answer.
SOURCE: GE microwave (jvm1740dm1bb) - Control panel inop
That model number is not quite right. I'm going to assume it's JVM1740DMBB01.
(If that's not right, please check the tag inside the oven & reply back)
The membrane keypad is not
available as a separate part, so you would have to order the control
panel frame which comes with a new keypad.
In this case, you simply
move your circuit board into the new frame.
The part number you need is WB07X11040 and you can find
helpful exploded view diagrams and order this part here for $107.00 (compared to $164.75 from GE!)
At
our Web site, we have a video
available showing how to remove a typical
over the range control panel assembly in under 5 minutes.
Feel free to contact me directly (and please remind me of your
full model number from the tag on the unit) for more information & help.
We're
happy to help you with free advice and we'd appreciate your thoughtful
rating of our answer.
William E. Miller, AS-EET
[email protected]
http://www.microwavedisplay.com
SOURCE: LG Microwave oven LMVM2055ST
Same issue here. LMVM1935 about 2 months past warranty keypad stopped working. Apparently they need to add something in the manual about not boiling water on the range over which the microwave is installed (gee who would have thought that there would be steam over the cooktop and we should seal the membrane?).
The silver traces on the keypad got corroded and no longer conduct. After complaining to Sears (NO HELP) and LG (EVEN MORE INEPT) and running on 30sec button for about 6 months, I found a replacement keypad $30 w/ shipping and didn't break anything taking the door apart, thanks to the parts list link above. Thanks Rickzilla!
Life's Good, Their Keypad SUCKS, or apparently we are the only people that boil water anymore.
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