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Dale Johnson Posted on Jun 11, 2018

Kenmore Elite mocrowave/combo 721.67909601 turntable and exhaust/conv fan just quit at the same time. Microwave still heats. Don't know if convection heats.

It worked on the last thing I heated, and then I started a cup of water boiling and noticed the fan wasn't running and the turntable not turning. The water had been in for about 20 seconds and was hot. The light was working. The control panel seems to respond normally.

5 Related Answers

ginko

Ginko

  • 19396 Answers
  • Posted on Oct 16, 2008

SOURCE: we have just purchased a

First: never attempt heating pure water in a microwave, that is dangerous.

Ensure the oven is not set to the minimum power, otherwise the heating will be minimal.

Try heating some food at maximum power for two or three minutes, if it does not heat, take it back to the shop.

About water in the microwave, see here:


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Microwaved Water - A MUST see

Superheating of water

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tiway1

Tim martin

  • 100 Answers
  • Posted on Dec 23, 2008

SOURCE: dacor dcm24s.light, fan, and control panel work but turntable and heat do not

Most likely the bottom door switch. Dacor units are built by Sharp and that switch is a very common problem. You'd either need to check the switch with an ohm meter or remove the cover of the switch to see if it's burned inside.

Phil Sciacca

  • 36 Answers
  • Posted on Jan 08, 2009

SOURCE: Sharp 1870 just quit cooking and no turntable

The fact that the microwave and convection both do not heat indicated that the oven is in demo mode, check the user manual, otherwise it will possibly be a relay not triggering, may need a pcb replacement, check Demo mode 1st....Phil

Anonymous

  • 2992 Answers
  • Posted on Jun 04, 2009

SOURCE: Sharp 930 AK Convection/Microwave Oven

When you close the oven door the latches operate a couple of interlock switches that control power. It may be that one of the door switches is bad or out of adjustment. It's also possible that one of the door latches is broken so it's not hitting the switch. There should be two door latches. Are they both there? This oven could be fixed by adjusting or replacing the interlock parts as needed. Because of concerns about microwave leakage from an improper door seal, you should have this oven serviced by a professional.

MicrowaveSvc

William Miller

  • 9179 Answers
  • Posted on Jun 08, 2009

SOURCE: Advantium 120 - Panel is dead, exhaust fan and lights working.

Chances are you have a bad primary interlock (upper door switch) or a loose or damaged door switch mount, which are pretty simple problems to fix.

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.

We have the service / repair manual for this model and have uploaded it to our site here to help you.

It will give you safety info, step by step help in disassembly, troubleshooting tips, and part numbers.

Most computers will open this document automatically, but you may need the free Adobe Reader

You can also 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 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.

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Here is a tip that will help you to figure out what is wrong with your Microwave Oven....

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