This indicates a bad door switch, or the keypad control board is not working properly.
SOURCE: Microwave oven stopped working
OMG!!! This was perfect. I had the same problem. Timer was on but the fan nor the table turned. Just when I was about to take the thing and chuck it in the trash, I thought I'd give the above method a try. I turned the microwave on, and nudged the door sligthly upwards.... miracle! it started to work. to make it permanent, I took the door off (the cap on the inside of the door, on the upper hinge needed to be removed with a flat head screwdriver, very easy, just pry it off). Once I took the door off, I placed a small washer on the bottom hinge to raise the door slightly. Put the door and hinge cap back on... and Voila! The microwave works now. Thanks for the help guys...
SOURCE: No turntable, no heat. Light, vent fan and keypad all work...
That would be a problem with your primary interlock switch or its mount.
NOTE: There should also be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting.
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
The interlocks are highlighted in the diagram below.
We're happy to help and we appreciate your thoughtful rating of our answer.
SOURCE: Microwave does not heat
Just had the same experience with the identical model. Removed the cover (a challenge because of the security screws), revealing valuable troubleshooting directions intended for an experienced technician. However, I think the info is well within the reach of a typical DIY person, does not require any dangerous power-on conditions. However, make sure that you discharge the HV capacitor before trouble shooting. In my case, it appears that the HV diode is open, have ordered a replacement on the internet for $3.18, easy to replace. Hope it works. Good luck.
SOURCE: Microwave turns on, but no heat or turntable movement
The problem is that the magnatron is not getting power. Chance is that if could be a bolwn fuse inside the unit. If the fuse don't fix it then that leaves the charging diode, capacitor or the magnatron, or high voltage xformer of which without technical epertize I would not recomend attempting to replace. good luck
SOURCE: Kenmore Galaxy Microwave Hood Combo Model 72180002400
Since it sounds louder than before, it is probably a bad high voltage diode or 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.
Here are some links you or someone you know can use for test help, but read their safety warnings first:
http://www.gallawa.com/microtech/diode.html
http://www.gallawa.com/microtech/mag_test.html
Sears may send you a magnetron to install yourself since it's under warranty. For that or warranty service, contact Sears at http://www.sears.com.
You can save about $75 by taking it to the shop yourself, as opposed to an in-home service call.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
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