Question about Panasonic NN-S254BF Microwave Oven

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My NN S63 will not cook. No matter what time I choose it stops at 5 seconds. The fan is running OK. I can't really tell anything about the motor.The DEMO and CHILD LOCK are both OFF.

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1 Answer

NN-T563 shuts off after 5 seconds


We recommend you use the below link to locate an authorized service center. Panasonic microwaves have a 5 year warranty on the microwave.

www.panasonic.com/repair

Apr 12, 2014 | Panasonic NN-S563 Microwave Oven

1 Answer

Oven only runs for 5 seconds no matter the time programmed in. the power level can be set and it does not matter, the oven runs for 5 seconds and shuts off.


I would need your full model number to help you best, but I'm guessing that at least it's a Panasonic?

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
http://031d26d.namesecurehost.com/mwd/safety.txt
http://031d26d.namesecurehost.com/mwd/disassembly.txt
http://031d26d.namesecurehost.com/mwd/doorsw.txt


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 create a new post 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.

Oct 10, 2011 | Panasonic NN-H264 Microwave Oven

1 Answer

Micro Wave shuts down


If it stops after 22 seconds, that means the controller has detected a problem, usually a problem with the inverter or a bad magnetron.

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

You can find an authorized Panasonic servicer here.

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

Nov 19, 2008 | Panasonic NN-S443WF / NN-S443BF 1200 Watts...

1 Answer

Panasonic Model NN T964SF inverter microwave runs for less than 5 seconds and shuts off. Power control function does not work either. Pressing power control a number overrides cook time with power...


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.

In most cases, this is a problem with the inverter or a bad magnetron.

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.

Aug 02, 2008 | Microwave Ovens

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Sharp mdl R-1870 convection microwave runs for 1 min


This is a problem in one of the damper-related components, most likely the switch, but it may also be the motor or the damper door.

The damper is a door inside that opens or closes depending on cooking mode. If the controller senses that the door is not in the right position, it will shut down the cook cycle.

Sharp models stop after 59 seconds.

See the attached sample photo.

We have the service manual and have uploaded it to our site:
http://www.microwavedisplay.com/r1870_r1871_sm.pdf

You can order Sharp parts from Tritronics at http://www.wehaveparts.com

529d312.jpg

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I have just had this problem where the oven will only run for 5 seconds and then turns off model #NNS561. Cant find any solution.

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Panasonic NN-2501 Microwave Oven range hood


It is possible that the magnatron is bad but hard to say on a no heat problem without checking all components. A lot of model give 5-7 yr warranty on that part.

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1 Answer

Microwave shuts down after 5 seconds


chech the control panel and wiring and thermal sensors..

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