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Turntable turns with door open and oven not running

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  • Microwave Ovens Master
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This would be a shorted relay no the control board. i regularly repair these.

Feel free to contact me for full details.

- William E. Miller, AS-EET
pupista@gmail.com
http://www.MicrowaveControl.com
Microwave Oven Control Panel Repair Nationwide "Recycling by repairing since 1982"

Posted on May 07, 2017

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1 Answer

Oven is off door closed and turntable is still turning in reverse


Most likely, one of the door switches has become non-functional.
Its usually the upper one. Test it with an ohm meter to make sure it makes contact in both positions.

May 05, 2016 | In Microwave Ovens

1 Answer

Microwave turntable keeps turning even after timer is off and door is open


There are one or two door switches that have become defective, they must be replaced for normal operation.

Mar 24, 2012 | GE Microwave Ovens

1 Answer

Makes grinding sound when turned on---does not heat---turntable does turn


Grinding sound may be the turntable not sitting properly on its support. Regarding the heat issue, check the door safety interlock switches for proper function.

As you use your oven, open the door while it is running, arcing occurs on the little contacts and they eventually burn. When they cannot make contact, the oven doesn't know if the door is closed or not. Forget what YOU know about the door ... the oven must know and it knows by the information it gets from these switches. Door open, the oven will not turn on the heat.

Thank yo for your interest in FixYa.com

Feb 22, 2010 | Goldstar MV-1501 Microwave Oven

1 Answer

Turntable won't stop


Sounds like a door switch problem or stuck relay contacts on the control PCB. Do the light and fan run too or just the T/T??

Nov 07, 2008 | Jenn-Air JMC9158AA Convection Microwave...

1 Answer

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.

Jun 27, 2008 | Whirlpool Microwave Ovens

1 Answer

Turntable goes around when the door is open and the microwave is off.


Do not run the microwave with the door open. You will be cooked. Sooner or later, if there are enough microwave ovens, (and there are), everything that can go wrong with them will, eventually. There are several interlocking safety systems built into every microwave so that they won't work with the door open. Yours may have failed. I've never come across one, but that doesn't mean it can't happen.
It may only have a fault making the fan and turntable operate, which can sound like it's working with the door open. Either way, get it checked or get a new one.
This assumes that the microwave isn't actually supposed to do what it is doing under normal conditions or current programming. Refer to manual/instructions if unsure.:::Spiceweasel.au

Apr 03, 2008 | Kenmore 80809 Microwave Oven

1 Answer

My microwave continues to run, (turntable and exhaust), when the door is opened.


all microwaves have 2 safety switches at least... but these are tied to a set of relays that turn it on, my bet is a sticking or stuck relay because you unplug it right and plug back in its not running?-relay ... if always runs driver transitors.

Dec 27, 2007 | Panasonic NN-T990SA Microwave Oven

2 Answers

Turntable Problem


If it jumps or moves just a little when you open the door, that is normal. It it actually runs, then you have a problem. Quite often this is due to a bad door switch. Opening the door while cooking (without first hitting the STOP button) is the primary cause of door switch failure. You can visit my Web site at _ or e-mail at _ if you'd like more in information on diagnosing and repairing this problem.

Sep 18, 2006 | Goldstar MV-1502 Microwave Oven

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