Question about Panasonic NN-S962 Microwave Oven

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Comes on when you open door, and now it finally quit working

I have had this microwave for approx. 6yrs. About 2 yrs after purchase it started the problem of coming on when you opened the door. I had that repaired it was a door switch problem.

Last year it started it again but I never had it repaired and a few months ago it quit doing that on and off. Then right before Christmas this year you could press the sensor cook button and it would not come on at all. Not even if you opened the door. LOL So I tried the minute cook button next to the sensor cook button. That would work so I would immediantly hit the stop button and then try the sensor button again and it would work. So for a few days I would hit the minute cook button stop it and then hit sensor cook all was okay and the problem of opening the door and it started had ceased as well.

Christmas day it would not do anything and hasn't since!! I have tried every button. The clock still works and you can change time. When you press the minute cook button you hear a click the light comes on it starts counting down and three seconds later you hear a click and the light goes off. Hummmm

I want to know if it is worth repairing or am I better off purchasing a new microwave? I have gone ahead and purchased the Kenmore 721.67903 convection/microwave and hope it does not have as many problems. But if this one can be fixed and not at a major cost I would have it repaired to use in the game room.

Thanks for any help,

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Re: Comes on when you open door, and now it finally quit...

I think you've put up with enough hassle from this unit and should get another one. Intermittant flakey problems are hard (read expensive) to fix.

Posted on Dec 31, 2007

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I have a over the range microwave that is not working,it showing code F7,it runs a few seconds and then shuts off,we had been having a problem with the door,sometimes when you close the door it won't

a faulty door seal is serious. microwave radiation should be contained within the unit. if you can not fix the door mechanism then junk it.

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MICROWAVE POWER TEST Hi Everyone, In this tip I will show you how to easily test...


Hi Everyone,

In this tip I will show you how to easily test your Microwaves power. If it is sufficient, or if it is not heating effectively anymore.

Non heating Microwaves are a common issue, and the most likely component that is faulty is the Magnetron - These days Magnetron's are quite expensive (usually about 50% the price of a new Entry Level Microwave). Low heating could mean a Magnetron becoming faulty (unlikely, as a Magnetron either works, or it doesn't work)

Tools required: A Normal Glass (Heat-resistant, in other words Microwave friendly), Water (Room Temperature) , a Centigrade Thermometer (Can get this at any Pharmacy)

1) Fill a glass with approx. 125 ml water. Use water at room temperature (from the tap), avoid using refrigerated water as this will work against the test we are doing.
2) Measure the initial temperature of the water with the thermometer (It should be between approx. 10 & 20 degrees).
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4) Heat the water at full power (The highest setting possible on your Microwave) for 70 seconds.
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I hope this guide as helped you. If it has, please rate it accordingly.

on Apr 23, 2011 | Microwave Ovens

1 Answer

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The following parts may cause this problem and must be tested:

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Door lock: A defective door lock can cause the magnetron and turntable motor being turn off erratically. This wont cause the program to reset.

Power cord and power connection solder joints: this can cause a microwave restarting because vibration caused by the oven working cause power interruption.

A bad shielding to controller board can also cause the microwave resetting because of the interference caused by magnetron on control board circuits. This is also quite common.

The control pad or control board are the parts that are most commonly causing this problem.

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I would suspect either door switches or an intermittent control circuit board, either of which can be repaired. Opening the door while cooking (without first hitting the STOP pad) is the primary cause of door switch failure over time. I have a text file on my site called "doorsw.txt" which helps in diagnosing and repairing door switch problems. You can find the file via a Google search. It will help you check and replace the door switches if you or an able friend is so inclined. In some cases, the problem is a bad connection or a bad relay on the control board. That's something we see fairly often, and we repair them for only $32.50 nationwide.

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