Question about Panasonic NN-S563 Microwave Oven

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Panasonic NN-S563 no heat

After setting the timer and pressing start, the interior light comes on, the turntable revolves for about 30 seconds and then it shuts off. During the 30 seconds it runs no heat is generated.

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  • TDLux Oct 20, 2008

    It makes no difference what power level i use or if i use a preset, it will run fo about 20-25 seconds and quit with no heat.

  • TDLux Oct 20, 2008

    Thanks for your help. This was confirmation of what I suspected. A whole lot cheaper and more convenient than taking it to a repair shop for the verdict.
    Thanks again.


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Most likely thing there may be a problem with the power settings most of these are electronically operated.or loose or burnt connections to the circuit boards.or the switch that the door closes into may be faultywhen opening the door before programme finishes the switch cuts the power so it stops heating (safety device)i would recommend caution though as electricity can be dangerous.

Posted on Oct 20, 2008

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The magnetron has gone bad, not worth it to repair, go out and buy a new microwave. A $40-50 dollar one will last quite a while.

Let me know if you have any questions, just don't buy GE.

Posted on Oct 20, 2008

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Hmmm...well..did you do a power setting? that is what is needed in the sequence just stated..try one of the presets like popcorn, to see if that works.

Posted on Oct 19, 2008

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Hi, it could be the magnatron (the part that actually emits the microwaves). This is supplied from a fuse and then a rectifier, so, it could also be one of these. If you said that it just started working again, then it might also be worth while looking for a bad (hot) connection within this pathway. Cheers Bob.

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Heating ceases after one second

See if this describes what's happening:
  • Put in time, push start and unit runs for 2 seconds, relay clicks, unit goes off. Cook time on display goes off and clock time comes back. Bad upper interlock switch and charred connector
If so, see

Otherwise, if the digital programmer circuit / controller does not get a feedback signal from the inverter for a period of 3 seconds, the controller will stop the cook cycle.

It may be a loose connection in the wiring between the inverter, magnetron, and/or control board, or maybe one of those components has failed.

Due to the lethal voltages used and produced in inverters, I do not recommend that an inexperienced person work on these.

You can find an authorized Panasonic servicer here.

In Canada, you can find an authorized Panasonic servicer here.

If yours is not a Panasonic, please reply back with your brand and model number so we can help you.

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

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Panasonic microwave, model no. NN-A554W, bought November 2006. When I set the timer for say 3 minutes,the turntable only revolves for about 5 seconds, then stops. It has not been used very much since I...

This usually means that there's a problem with your inverter, magnetron, or digital programming circuit.

Due to the lethal voltages used and produced, I do not recommend that an inexperienced person work on these.

I would recommend that you contact your nearest Panasonic-authorized servicer.

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

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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.


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

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