Question about Kenmore Microwave Ovens

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Oven/microwave model 790.4784. door light workes, timer counts down ok. turn table dosent move, no moter sounding noies, it stoped working in the middle of a 3 min cyc. The oven functions properly.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 833 Answers

SOURCE: keypad counts down; but no cooking

j..first, I'd check the internal fuse on this unit. It sounds like it is blown. Alternatively, you might have blown a thermosensor if you don't have a fuse. Generally, they are found clamped in sheet metal attached to the side of the oven in the control area. They are usually the size of a dime in diameter and about 3/8 inch thick with two plug ins. With the power off, have a look at it using a tester. It should have continuity...if not replace it. No tester? Remove both plugs, and connect them using a paper clip and tape up. Plug in and try it. If it works...replace the sensor...never operate without one!

Posted on Dec 17, 2007

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MicrowaveSvc
  • 9085 Answers

SOURCE: TIMER COUNTS DOWN, MICROWAVE DOES NOT TURN ON

To actons2 - This is usually caused by either a bad door switch or a loose door switch mount, which are pretty simple problems to fix.

Even though a door switch clicks, it may still be bad inside.

Door switch or mount trouble is usually caused by slamming the door or by opening the door while it's cooking without hitting the Stop pad first.

There are plastic mounts inside the microwave which hold the door switches and onto which the door latches lock when you close the door.

The screws on these mounts may be loose. If they get too loose, the switches will not be activated properly.

Sometimes it's a broken tab on the switch holder, allowing the switch to rotate just out of position. This tab can be hard to see, since it is under the bottom edge of the switch.

If the switch mount is broken, it's usually more economical and safer to add a dab or two of hot glue to the mount to secure the switch. Let it cool for about 30 minutes before using.

One test that sometimes helps is to gently lift up (and/or push down) on the door or handle as you try to start it. If it works or tries to work, then it's a door switch mount or door alignment issue.

If you or someone you know decide to look into it, we have critical information on safety, disassembly and door switches at our site, and our link is at our listing here on FixYa:.

You can find helpful exploded view diagrams and order parts by entering your full model number here.

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 when troubleshooting & testing.

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At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

If you don't find yours, or if you want to look at it without disassembling the oven, you can download it here.

If you only need a switch, you can order a universal type here for $5 postpaid.

If you think the problem is on the control panel, we repair these nationwide by mail for $39.95 postpaid in most cases in about a week or so.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Note to Austin8181 - Your problem is not quite the same.

Please report as a separate request and of course please include your brand and model number.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Posted on Mar 06, 2009

  • 1 Answer

SOURCE: Microwave Oven EM-804T

When I opened up the microwave cover, noticed that the door latch mechanism was worn and not holding up the interlock switch. A thick piece of tape on the worn piece of plastic and microwave was back to working (I had symptom of the timer counting down without the microwave turning on)

Posted on Nov 01, 2010

MicrowaveSvc
  • 9085 Answers

SOURCE: clock still counts down, lights work, turn table

This is almost always a bad bottom door switch or its mount.

We have the service manual and have uploaded it to our site here to help you.

See these text files for more help:

http://031d26d.namesecurehost.com/mwd/safety.txt
http://031d26d.namesecurehost.com/mwd/disassembly.txt
http://031d26d.namesecurehost.com/mwd/doorsw.txt


You can find helpful exploded view diagrams and order parts by entering your full model number from the tag on the oven here.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Posted on Dec 18, 2010

mnwarfield10
  • 452 Answers

SOURCE: stoped heating.....counter is counting

MAGNATRON FUSE ... IT LOCATED IN A PLASTIC HOLDER . TAKE COVER OFF. TURN ELECTRIC OFF TOO IT CAN KILL YOU.:)

Posted on Feb 27, 2011

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You need to trace the power feeding the high voltage transfomer. Because the table doesn't turn, it implies that a door switch or safety interlock is the problem.

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