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


Hi,


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

Basic Microwave Oven Troubleshooting Tips

heatman101



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Dec 15, 2010 | Panasonic NN-S252WF Microwave Oven

1 Answer

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

Sep 10, 2010 | Panasonic Microwave Ovens

1 Answer

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

1 Answer

Microwave does not heat.


HI, this is an inverter board issue. the magnetron would not shut down the unit. if the magnetron was the issue, it would continue to run but, it would not heat.

replace the inverter asap.

Jun 17, 2009 | Panasonic Microwave Ovens

2 Answers

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?

Jan 12, 2009 | Panasonic NN-S763BF Microwave Oven

2 Answers

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

2 Answers

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.

Mar 29, 2008 | Microwave Ovens

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

1 Answer

Microwave shuts off after 3 seconds


Although your model number doesn't seem to show up, the NNS950-series units are powered by an high-voltage inverter. And yours has failed. While an inverter (switched-mode power supply) is more efficient from a power consumption standpoint, it is more complex, thus more statistically prone to fail. These should only be examined and worked on by someone who has the necessary technical qualifications. Seriously. Often the machine-soldered connections in a microwave inverter are too weak, so they eventually fail, especially if heat is high in the area. They sometimes fail catastrophically. When not catastrophically damaged, you may hear clicking or squealing and may smell an electrical odor, which is sometimes obscured by the cooling fan. Sometimes a whole new inverter is cheaper than the time and labor required to fix the old one. If a technician is willing and able to troubleshoot and repair the inverter to component level, it will may be expensive, but may be worth it, especially if he or she will resolder and reinforce connections as needed as part of a thorough repair. That could easily make your inverter beter than a new one! You might be able to get some verbal estimates if you call Panasonic-authorized appliance / microwave repair shops and ask then specifically about inverter component-level repair and simple inverter replacement costs for your exact model number.

Dec 26, 2006 | Panasonic NN-S950WA Microwave Oven

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