If the fuse is good, it may be an open thermostat or thermal cutout (TCO) / thermal fuse on or near the magnetron or on top of the cavity / body of the oven.
When checking thermostats, if it has a hood fan thermostat, that should read open, as opposed to the others, which should read closed.
If you or someone you know decide to look into it, we have critical safety information and disassembly information at our site, and our link is at our listing here on FixYa:
http://tinyurl.com/yzjozkYou can probably find an exploded view by entering your FULL model number here:
http://www.searspartsdirect.comWe're happy to help and we appreciate your thoughtful rating of our answer.
Nothing works. No display of anykind.
712.80402 Display dead. Oven light comes on when door open. One button on control panel will beep once. Then moves to another random button. Removed control panel, didn't see any fuses. Sears parts page says "Sorry. no parts available for this model."
Replaced the fuse. There is no current to control panel.dj
kenmore microwave 721.80412 where is the thermal fuse
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