Question about Panasonic NN-SN657SMicrowave Oven

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I have one Panasonic microwave oven,Model NN-C784MF which has the problem is when i using the time oven will start normal condition. But within a minute the light will turn off and stop the oven automatically.I would like to know that what are the problem is there? Any body know that problem please advice me. (* There has one small fan which is above the PCB board and that is not running) Thanks

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6 Suggested Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Panasonic Model No. NN-S933BF Microwave Oven

could it be that i didn't follow the manuel because i got it second hand or is it because something is wrong with it,and i have to get it fixed.

Posted on Oct 21, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: Hi, I have a NN-C784MF

Chances are there are other bad parts blowing the diodes, most likely a MOSFET.

Also, the ESR of the electrolytic capacitors should be checked and all board connections must be checked and resoldered if suspect.

If you're not experienced in troubleshooting switched-mode power supplies (inverters) then you can probably save a lot of timer and money by replacing the whole inverter.

You can find the nearest spare parts supplier by selecting your country then the support links at Panasonic.net.

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

Posted on Jan 02, 2009

EwingElect
  • 276 Answers

SOURCE: our microwave oven Panasonic NN-S252WF stops after

Our technician suggest that there may be a problem with the Inverter Board in this model, which is something that would need to be looked at by a Service Center.

In rare cases it could be the door switches.

Posted on Mar 27, 2009

  • 1 Answer

SOURCE: Replacement light bulb for Panasonic NN-9853 Microwave

Hello, I also have a Panasonic Microwave ( model NN-S 564 or 574 ?) They are very similar.
I have just removed the outer cover 5 screws ( unplug of course ) and have located the bulb holder which is a white plastic component with two clips holding the globe, pull it out and remove the two spade clips connected to the globe. The globe will come away attached to a black plastic mount. Next........do the run around to find someone who sells it.
Perth has an authorized distributer/repairer in Myaree whose details I got from Panasonic. He may sell them. otherwise I will try a couple of specialist light globe suppliers I know....PROLAMPS in Belmont and one in BALCATTA whose name escapes me but I have been there before...Hope this helps others.

Martin

Posted on Aug 27, 2009

Testimonial: "Hi - and thanks Martin for an excellent description of the process. Perfect assistance for a handyman-challenged guy like me. Thanks Grant"

  • 1 Answer

SOURCE: panasonic NN-CD997S microwave

i have microwave problems power trip when switch on the unit. please help me.

Posted on May 29, 2010

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User manual lost


Hi,

I lost a user manual, then found these guys. They emailed it to me in about 2 hours and it only cost about £3, which i thought was very reasonable.

http://findmymanual.com/

Hope this helps.
Jane

Jun 29, 2009 | Panasonic NN-SN657SMicrowave Oven

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