Question about Kenmore 66312/66319 Microwave Oven

1 Answer

Microwave will not turn off

The timer has expired; however the turntable still turns and the power is still functioning. Once the door is opened, the power stops,,,after the microwave door closes, the turntable turns, and the microwave functions.

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  • Anonymous Mar 24, 2014

    I have a Russell
    Hobb microwave when I switch it on at the mains the turntable turns and the light is on and only stops when I open the door I can't seem to stop it turning unless I open the door or turn it off at the mains ?

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  • Kenmore Master
  • 8,820 Answers

This is usually caused by either a bad door switch, a loose door switch mount, or occasionally a problem on the control panel.

Even though a door switch clicks, it may still be bad inside. Its continuity must be checked.

Door switch or mount trouble can be 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. Other times, 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.

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 probably find exploded views and order parts by entering your model number here at the Sears parts site.

There may 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.

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

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

Posted on Jul 28, 2008

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My microwave has stopped working. Everything functions properly, including the light when the door is open, and the timer countdown begins when I press start, but the actual unit will not turn on...


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I just bought an RV with the exact same microwave and the exact same problem. The problem with mine is the switch that detects that the door is closed is not getting activated. The reason for this is is the finger at the top of the door is damaged as well as the plastic piece that the finger grabs onto when the door is closed. This causes the finger not to come into contact with the switch. To test this you can turn your microwave on and start it. open the door and using a small screwdriver, depress the micro switch you can see upper right side of the door opening. then press start again. your turntable will start turning and the microwave will make a louder noise as a fan will turn on. CAUTION! Release the button as soon as you see the turntable rotation as you will be receiving microwave energy due to the door being opened.

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My Belling BEL-CJ/SS25 Microwave / oven / grill has recently developed a problem. Every time I close the door the turntable starts rotating, even when I'm not using it. It doesn't make a noise, and doesn't seem to be going into any cooking setting, and the light doesn't come on, but it turns until I open the door, when the light comes on and the turntable stops turning. This has only recently started happening, and nothing else seems to be wrong with it, Is this safe or should I get rid of it and buy a new one. The guarantee has expired so repair may be cost prohibitive.

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You may have a tunrtable motor or spindle problem..
This info is from GE website..( link : http://genet.geappliances.com/geasearch/Dispatcher?REQUEST=GETSEARCHRESULT

To minimize the possibility of electric shock, unplug this appliance from the power supply before attempting any maintenance or cleaning.
  • Make sure the turntable is centered and seated properly. On models with a stirrer motor there is a shaft protruding up through the floor of the microwave. Make sure the turntable is securely fastened to this shaft. On models that turn on a ring with wheels attached, make sure the turntable is seated securely on the ring.
  • Check the turntable to make sure it is placed right side up. If the turntable plate is upside down it will drag on the floor of the microwave.
  • Check to make sure that there is no food or debris under the "wheels" of the turntable ring. Food can prevent the wheels from moving forward.
  • Be certain you are pressing a cook function rather than a timer function.
  • If the microwave has a turntable on/off feature make sure the turntable was not inadvertently turned off. Try depressing the turntable on/off pad to re-engage the turntable.

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I have a Whirlpool AMW545 built in microwave oven. The turntable continuosly runs with the door shut when the microwave is not in use. The turntable will stop rotating if the door is opened.


the controller for the turntable is shorted out or welded its contact if its a relay. the door has safety switches that turns off the electrical connection to the turntable and magnetron once you open the door. you can trace the switch that runs the turntable. start from the power supply, goes to the door switch then to the controller before it goes to the turntable motor. i'm sure it has an electrical diagram at the inner wall of the cover.
i hope i was able to help.

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