This may be a blown 20A fuse, open bottom T.C.O. (not to be confused with the hood TCO, which should read "open"), open cavity TCO, or open magnetron TCO.
We have
the service / repair manual for this model and have uploaded
it to our
site here for free download to help you.
It will
give you safety info, step by step help in disassembly, troubleshooting
tips, and part numbers.
They will give
you safety info, step by step help in disassembly, and troubleshooting
tips.
Most computers will open this document automatically, but you may need
the free Adobe Reader.
You can order parts by entering your full
model number from the tag on the oven here.
Accessing some
components
(especially the oven cavity thermostat) for testing and possible
replacement will require you to remove the oven from the wall and take
off the outer cover.
If
so, the installation instructions are very handy, and it's best to have
two people since the microwave can be heavy and awkward.
You can
download Whirlpool owner's manuals and installation
instructions here.
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
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