Question about Whirlpool Microwave Ovens
F7 means that the control panel is not getting feedback from the Switched Mode Power Supply (high-voltage inverter).
This could be due to a problem with the inverter or the control unit / circuit board, but it appears to be the latter in most cases.
We repair microwave control boards for customers nationwide with our guaranteed $39.95 service.
We have full details, plus critical safety, disassembly, and troubleshooting info at our site. You'll find a link to our site in our listing here on FixYa: http://tinyurl.com/yzjozk
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.
You may reply back with your brand and model number if you'd like us to look into this further, or feel free to contact me directly if you need more help.
We're happy to help and we appreciate your thoughtful rating of our answer.
William E. Miller, AS-EET
Posted on Jun 29, 2008
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