Question about Panasonic NNSN797S Microwave Oven

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The door did't closed!!!

The door did't closed

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Follow this steps and fix IT. God bless you

1. Defective triac or relay.
2. Controller is confused (pull plug for a minute or two to reset).
3. Defective controller or its power supply.
4. Touchpad or controller board contaminated by overenthusiastic cleaning.
5. Defective/damaged touchpad

Posted on Jul 28, 2013

Testimonial: "Thanks Don Ernesto!! I have 2 microwave same model with the same problem! I have to throw or push very hard the door to the light turn off and the micro start running. "

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Posted on Jan 02, 2017

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1 Answer

My Tappan TMV 151FS (2008) microwave is not working.


You likely have a door switch or mount. See a handy help file on door switches here.

The service manual for the TMV151 model series is here, and the parts manual is here.

You can order Tappan parts from the Pros here.

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

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I have a Haier microwave and tonight after heating some food, I went to close the door and upon closing it, the carousel started turning and it won't shut off.


It sounds like one of the door switches has become defective, each must be disconnected on the one side and tested with a digital meter using the ohms scale.

Jun 07, 2012 | Haier Microwave Ovens

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Frigidaire microwave plmv168cc1 makes humming noise when door closed


Chances are that the secondary (cook) relay on the control circuit board is shorted, meaning that the oven is actually cooking any time the door is closed.

You can test that by putting in a cup of water, shutting the door, and letting it go for about 30 seconds, then checking the water temperature.

This is dangerous, and can lead to a fire, so please unplug the oven until it is repaired.

The relay can be replaced for far less than the cost of a new control circuit board.

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May 31, 2012 | Frigidaire Microwave Microwave Oven

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Microwave won't start but rattles when close door.


It is possible you have one or more door switches that are bad and need replacement.

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Panasonic invertor is acting like the door is not closed


From your description the problem is in one of the door switches that have become defective. this is caused by build up of food particles or normal ware. The solution is to have a professional identify the right one to be replaced.

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The microwave display shows "Door" and it won't


I could have been more specific with a model number, but if this general answer doesn't do the trick, feel free to contact me with your full model and specific symptoms here.

It's usually a bad door switch or door switch mount. My helpful text file on door switches is here.

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

There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.

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 it's one of those overdesigned Whirlpools, it can be one of many components. See the example photo at the bottom of this reply.

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

10_6_2011_12_49_01_am.jpg

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1 Answer

I need model WMS25EGSI to operate my microwave that does not heat


Classic Door Safety Interlock Switch failure. Remove the cover, check the micro switches with a ohm meter for proper operation. They should show 'short' when the door is closed and "open" when the door is open ... or the reverse of this depending on the method used by the manufacturer. Point being, the switches show one condition with the door open and the other condition with the door closed.

The oven needs to know the door is closed before it will turn on the heat. If the switches have failed, the oven thinks the door is open ... make sense?

Why do they fail? Because we all open the door while the oven is operating and this causes switch failure.

Thanks for your question @ FixYa.com

Jun 21, 2011 | Microwave Ovens

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