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Panasonic Inverter, Model #. NN-SD696S

Does not heat properly. less than a few years old. Panasonic inverter, 1300W. What could the cause be and is it possible for me to repair myself?

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Panasonic Microwave Warm

Replace the h.v. capacitor (the silver can mounted in back under the magnatron) and the h.v. diode and it will be fine.
Hope Ya Fix It!

Posted on Jan 30, 2008

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MicrowaveSvc
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SOURCE: Panasonic nn-sn667b 1300w dead

You might consider just replacing the inverter assembly itself.

It will cost more than replacing the bad discrete components of course, but you would be avoiding the time and money involved in parts research, trial and error, and possible destruction of any newly installed parts if there remain other undiscovered defective components.

The inverter assembly (part # F606Y8M00AP) can be had for $79.12 here.

Otherwise, you would need to order the service manual, which is not listed by the major Panasonic distributors.

The service manual should be # SM-NNSN667.

The best place to order Sharp parts is Tritronics. Or you can call them toll-free at 866-779-5835.

In this case, call might be more productive to track down the service manual.

Good luck, and be safe.

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

Posted on Dec 25, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: How do I remove the sensor inverter on the Panasonic NN-S96OWA ?

That's a misnomer.

And oven may have an inverter and it may have a sensor (usually either a heat sensor or humidity sensor).

Please note that FixYa is not currently notifying us Experts when Clarification Requests are answered.

So to allow us to help you effectively (at no charge), please post a
NEW problem to FixYa, and please include your brand name and the full model number from the tag in or on the unit, and your exact symptoms, so we can help you troubleshoot the problem and make recommendations.

Posted on Jan 11, 2010

  • 1 Answer

SOURCE: panasonic genious sensor inverter 1300w nn-t664sfx

Mine did this once and it was the magnetron. Once replaced, it worked fine. Repair is an option if it is still under warranty or someone will do it on the cheap. Otherwise, just get a new microwave, since this is the main part.

Posted on Apr 08, 2010

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If the microwave oven is 7 years old or less, the cause is a bad magnetron, or the inverter board is malfunctioning, due to cost in parts and labour cheaper to replace.

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Microwave shuts off after a few seconds. message says to check the manual. What's wrong?


The problem is the magnetron, or the inverter board, "if 7 years old or less" and possibily the keypad control board.

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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

Sep 10, 2010 | Panasonic Microwave Ovens

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Panasonic genious sensor inverter 1300w nn-t664sfx displays code "h98" & will not run - what's the problem?


Mine did this once and it was the magnetron. Once replaced, it worked fine. Repair is an option if it is still under warranty or someone will do it on the cheap. Otherwise, just get a new microwave, since this is the main part.

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My Panasonic Microwave Genius 1300W will not heat up the food and the rotate dish spins and the sensor reheat will not heat up the food. Nor cook Pop Corn when pressing the buttons to 2:00 cook time. I...


Sounds like the magnetron has failed. This is the component that produces the microwaves that heats the food.

The cost of the magnetron is about 95% of the cost of a microwave oven. Most people don't, for this reason, replace the magnetron, they replace the whole oven which is probably what you will end up doing.

There is a possibility that the circuit that provides power to the magnetron is faulty and you need to take it apart, find the proper electrical leads and test them with a volt meter. To do this you have to remove it from its mounting and take it apart. It is a fairly lengthy process however.


Benjamin

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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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1 Answer

Panasonic Microwave Warm


Replace the h.v. capacitor (the silver can mounted in back under the magnatron) and the h.v. diode and it will be fine.
Hope Ya Fix It!

Jan 30, 2008 | Panasonic NN-S960WA 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.

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Microwave shutsdown after 24 seconds, does not heat up


Classic symptom of a defective inverter. It it's under warranty, you're probably in luck. If not, expect repair costs of about $120-150. If you can find a servider who will repair the inverter instead of just replacing it, you can save some money. If you or a friend can replace it yourself, you'll really save, assuming you follow safe procedures. You can find my file "safety.txt" via a Yahoo search. It is part # A606Y5X00AP for model NN-T993S and runs $62.83 plus shipping. The inverter can be gotten from Panasonic at http://www.pasc.panasonic.com/epartr

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