Question about Whirlpool GT4185SK Microwave Oven
Chances are you have a shorted high voltage rectifier diode or a bad magnetron, but it may be a bad high voltage transformer.
There should be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which isvery helpful when troubleshooting & testing.
At our site, we have a video 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 here.
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)
If you'd rather have a pro take a look, I would recommend that you contact Whirlpool customer service to find your nearest Whirlpool-authorized service center.
Whirlpool customer service is here and you can also enter your model number on that page to download your owner's manual, installation instructions, etc..
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Oct 27, 2008
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Posted on Jan 02, 2017
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