Question about Microwave Ovens
It just stopped working and before I write it off, I was wondering if there is anything I can check. I hate to get rid of it because it is BIG and POWERFUL (1400W). I already tried the fusebox and a different outlet.
I have an old but perfectly good operating kenmore under cabinet micro model 228.7374 purchased 12/24/86 from sears. it has feature five on the door,the keypad has preheat, bake time,toast, oven temp, combo time, broil time, micro time, & the #'s 1thru 10 , micro power, clear, start, stop, time , solid state. the kenmore book that came w/ it pictures does not match the micro keypad. today's menu's also call for med heat. can someone tell me how to get med & lo heat settings? thanks
Posted on May 18, 2008
A microwave can be dead for many reasons.
If it goes dead for a while during or after cooking then comes back on, the magnetron is probably overheating and causing the magnetron thermostat to open. Then when it cools, it closes the circuit and allows power through again.
If it's intermittent or random, it may be a bad connection, usually on the control board or a loose fuse holder.
If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor.
If it went dead a few seconds after pressing the Start pad, that's usually a failing high-voltage transformer.
If the fuse is good, it may be an open thermostat or thermal cutout on or near the magnetron or on top of the cavity / body of the oven.
If you or a friend 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://www3.sears.com (the 3 is correct)
Posted on Dec 05, 2007
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Posted on Jan 02, 2017
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