SOURCE: model #721.66463.500 Kenmore elite microwave hood
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/yzjozk
You can probably find an exploded view by entering your FULL model number here: http://www.searspartsdirect.com
We're happy to help and we appreciate your thoughtful rating of our answer.
SOURCE: kenmore microwave 721.80412500
The owner's manual should spell that all out.
But if you don't still have yours, you can download one via Sears' "Manage My Home" site here. While it's free, you will have to register.
(You *may* be able to download it here without logging in. If not, go ahead and register. It's free.)
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
SOURCE: F7 Error code on Kenmore
On the tech insert found in a cavity under the cover of my Kenmore MHC, the F7 code means the inverter board ($90 - $130 street price Fall 2008) is bad and needs replacement. I am having this problem, and verified that the magnetron was not shorted to ground with an ohm meter. I verified with a volt meter that the magnetron was not getting any voltage applied across the cathode from the inverter board when the microwave is running ("WARNING"- don't do this test with the magnetron connected.) I have an inverter board on order.
SOURCE: I have an error code
Quoting another board:
Sears Kenmore Whirlpool LG 721.63683300. F-9
on this microwave IS inverter related.
There is a service tech
troubleshooting document stuffed in behind the control board cover
which has some testing procedures. My problem was the magnatron and
checked out bad with the help of this document. It would run for a few
seconds making clicks and then say F-9. It has been working great since
I replaced the magnatron PN 6324w1a002c.
f9 model 721.63764300
Kenmore
Elite 36 " over tne counter microwave is supplied by LG made by Gold
Star, made in China. It's main problem is the high voltage inverter
board supplyed by Sears Parts. If you get a F-9 code on your microwave
display screen and the micro quits it's probably this board. Reset the
machine by pulling the power plug and waiting an hour. If it is the
high voltage board is at fault it will probably fail after 45 seconds
of start up. This part is really hard to get at but is less than $100.
A qualified technician should be able to remove and repair this item in
less than hour. Some techs will quote you $300 labor, don't buy it, it
should cost a $100 or less. No need to buy another microwave.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
SOURCE: Kenmore Microwave Hood Combination oven Model Service code (SE) ?
I have Microwave Kenmore model 401.80082700 about more than a year. After about 6 months, it stated to have some probles such as some number keys not working. Then button START become nor working some times. I can use only button of 30 secon increment to cook something. OK, the fan is working for most of the time but the levels are stuck, not adjustable. I can't changer the fan levels. Now the lamp buton is dead. Sometime, the fan level control is working by itself level 1, 2, 3.... then it appears -SE- on the display. nothing work now. I unplug.... then plug back, it ask to input the time or date... I can't do any thing. Later some time I can cook by using 30 secon button.... It is anoying. Please how I can fix it? Thank you.
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