Sounds like you blew a fuse. If the unit has a user-replaceable fuse, or fusible link, it will say so in the manual. There is probably a "Troubleshooting" section in the manual.
You should not have any metals in the oven when the microwave is on. If you are just doing convection cooking, the metal rack should be in so that what you are cooking is raised up so the hot air can surround what you are cooking.
You have to separate the door panels (as shown in the attached photo)
and then you'll see the previously hidden screws you need to remove.
Or you can watch a YouTube video (not a video I
made) that demonstrates how it's done.
You can find helpful exploded views by entering your full Kenmore model number at the Sears
parts site.
A full Sears/Kenmore
model number has 3 digits, a dot, then 8 more digits, such as
###.########
Please be aware that you may have a broken spring mounting tab on the inner door panel.
In such cases, the best way to fix that is to drill a hole in the remaining material, insert the spring, then add a dab of epoxy where they spring attaches to the panel.
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happy to help you with free advice and we'd appreciate your thoughtful
rating of our answer.
F 11 code. it is a touch pad error. if you just cleaned the control panel it may have water in the panel causing a key to stick. If after a day or 2 it hasn't dried out - then you will need to replace the touch pad.
Visit www.searspartsdirect.com and enter in your full model number for a parts breakdown and schematics.
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If a turntable and it is not moving suspect a safety switch in the door, if no table or it is moving suspect possible inverter board or Magnetron itself either of which can be pricy to have replaced.
To replace a fuse, unplug microwave, remove top,"several screws" look to the right where the keypad control board is, now look down where the circuit board is, there should be a fuse clipped in, pop it out and replace with the same current rating, assemble before testing, lethal voltages.
Take the outer casing off, just remember there is one security screw from the eight you take out. once you have done that then there is a metal sheild around the bulb holder 2 further philips screws to take then just replace the bulb and re assemble, note the cover is like tongue and groove to get back on so make sure you line them up before screwing back together.
This unit is no longer supported by Kenmore. There are also no spare parts available from the manufacturer.
Your best bet would be the secondary market like eBay.
You will need to remove from the bottom of the oven but make sure that you hae not damaged the magnetron with the dry run.
You can try to get the part from a salvaged set as many arre available, junked when the magnetron fails.
Bothe plate and shaft can be sourced like this and will worrk outt cheaper only if you try sources of workshops.