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I need a schematic for a panasonic microwave model # nn-s963. My daughter nuked a spoon in with her soup and although the unit runs, it doesn't heat at all. I already checked the main fuse and that seems to be OK. any ideas? Thanks, Roger

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  • lrq4 Nov 24, 2008

    i have a kenmore over the range microwave. i put coffee in it to heat and heard a loud thump behind the touchpad and it didnt heat the coffee. the serviceman is looking for schematics.

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  • 770 Answers

They are usally tucked inside behind the ctrl panel or you have to remove the cover and stuck on there have you looked there??

Posted on Mar 05, 2008

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Posted on Jan 02, 2017

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Panasonic microwave convection oven model NN-CD997S works normal but stop heating


Judging from the model and without looking it up I expect that unit has an inverter. If it is not the Switches and you have replaced the mag, the inverter is the power supply for the mag to work so either mag not getting power from inverter or inverter not getting signals from main PCB Timer board.

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My Panasonic Model NN-S252WF is not heating properly, it takes about 2x as long as normal to heat something


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

Basic Microwave Oven Troubleshooting Tips

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Hi, I have a Panasonic Inverter microwave NN-Sn9688. It's less than a year old and when you press the START button H98 appears and it will not start. Everything else works, clock etc and reset/stop...


Hi Judith, I am Kelly

If this has a 1 year warranty it is time to make that call.

Otherwise see this link about H97 or H98 codes: http://www.applianceaid.com/micro_faultcodes.html#panasonic

There are a few things that can cause the problem, none of them cheap repairs. The Magnetron filament, Control board and Inverter are the top 3 other than a losse connection.

I tried running the Model number NN-SN9688 and it does not cross. See Panasonic link here: http://www2.panasonic.com/webapp/wcs/stores/servlet/PNAEndecaSearchCmd?N=779832097&Ne=&No=0&Nr=12001&Ns=&Ntk=SupportSearch&URL=vSupportSearch&cmTag=true&catalogId=11017&storeId=15001&cm_sp=SiteSearch-_-SupportSearch-_-SupportHome&Ntt=NN-SN9688&x=28&y=20

I did not go to Panasonic Global and try other countries. I just did a USA search.

Thanks for choosing FixYa.

Kelly

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Panasonic Invertr NN-S963, no heat and shuts off approx 7 sec. before end time. Fan works. Is it magnetron? If so, approx. how much to fix?


Magnatron failure is rare. I suggest you check your door interlock safety switch. Do you regularly open the door while the machine is running? I did and I found out that the micro switches (door safety swwitch) are just not up to that kind of abuse. Your maching thinks the door is open because the contacts are burned to the point they do not close.

Unplug the machine, DO NOT TOUCH THE SILVER CAN! You will find the switches opposite the hinge. Check them with a volt ohm meter on contunity setting.

You cam probably get replacement switches at a electronics parts place.

There are other things that can be wrong but you should check these switches first. Cost should be less than $10.00 if you do it.

Let me know if this works for you.

a

Sep 21, 2009 | Panasonic NN-S963BF Microwave Oven

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Stopped heating, shuts off before time expires


My panasonic microwave model # NN-S540BFW stops after 4 seconds after you hit the start button and cuts off on its own. What is wrong with my microwave?

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Electrical issues inherent in this model?


its the problem of voltage the electriccurrent.call a electrician and get the electricity power checked of your place.the oven is getting required current so this problem is coming.

Oct 18, 2008 | Panasonic NN-P794SF Microwave Oven

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Heating problems


This is usually due to a worn out or dying magnetron.

If you or someone you know decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

You can usually find helpful exploded view diagrams and order parts for most brands by entering your full model number here: http://tinyurl.com/gv383

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

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1 Answer

Touch pad works but microwave doesn't turn on


NO the microwave doesn' t overheat or froze.
I couldn't answer to your question 100% because I don't know this model,
Some microwave don't heat if you don't set the heating temputer on, the power level. I've seen lot's of customer in the past couldn't get heat because all they press was time and didn't set the heat level.
second it is posible it doesn't heat because the magnetron power supply is burt out, this is the electronic board inside the unit below the magnetron, panasonic or know for burning this board to often, if it was I, they would have been design to inposible to blow them . Microwave have gone a long way and notice that the quality is not there no more. The old once or the same thing as the new once's but made more of plastic. The parts (main parts) or all the same design but mad to brake down after a shorter time. The older model lasted a minimum of 20 years, today they have the same magnetron but they don't last as long as before, made to brake. If they brake faster, the re sale or higher so more money to make.
To me it's just insulting to think that way, vehicule or the same , the repeat parts sales make profit go higher. It's all a tratege to make money faster and not respecting the consumer.
Third problem you may have is the magnetron is shut or the cap.
You would need a tech to tell you that part.

Regards

Bob
ps do what 99% think like trough it out, but make shure you understand you're creating polution everytime.

Jan 20, 2008 | Panasonic NN-S563 Microwave Oven

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