Question about Panasonic NN-S254BF Microwave Oven

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Panasonic NN S254BF

Microwave runs for 5 seconds then shuts down. can you tell me what the problem is

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  • Anonymous Jan 18, 2008

    when the microwave starts, there's also a noise, like sparking. I'm gonna open it up and see what I can find

  • Anonymous Mar 07, 2008

    Loud buzzing noise, shut down in 5 seconds or so. Haven't tried it again. ;)

  • Anonymous Mar 18, 2014

    Runs for 3 shuts down

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It sounds like one of the wires or serkits are loos so the electrisity is not getting to it all the way I would return it or take it apart and try to fix it your self.

Posted on Dec 30, 2007

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Posted on Jan 02, 2017

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1 Answer

Microwave trips and switches off within 2 seconds


We regret reading about your microwave. At this time we recommend you have the unit evaluated by an authorized service center.

www.panasonic.com/repair

May 01, 2014 | Panasonic NN-S254BF Microwave Oven

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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

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Will only run for 23 sec, then shuts down. hit reset and it will run for 23 sec again. THis happened after it was exposed to a boiling pot of water. The run time is very consistant before stopping,...


mcdevito75 here, Sounds like the timer mechanism which is most likely transistor board is wet or shorted, see any appliance repair shop in your area for help.Or Check the owners manual for repairs.

Jun 28, 2010 | Panasonic NN-S254BF Microwave Oven

1 Answer

Microwave (Panasonic NN-S254BF) starts, runs 2-3 seconds, and then shuts off. I have checked the door latch switches, and they are all working like they are supposed to. Whats wrong?


In all likelihood the mangnetron has failed, or perhaps even the Power Supply. or a fault that is shutting the system down for safety reasons You need to have it serviced by a reputable service centre/man. Ensure you get a firm "Quote" before proceeding, and remember these days the cost of repair can equal or exceed the price of a new one.


Jun 06, 2010 | Panasonic NN-S254BF Microwave Oven

1 Answer

Panasonic NN-S254BF microwave oven runs for 2-3 seconds and then shuts off'


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://207.234.249.73/mwd/safety.txt , http://207.234.249.73/mwd/disassembly.txt and http://207.234.249.73/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.

That 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.

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

May 31, 2010 | Panasonic NN-S254BF Microwave Oven

2 Answers

Panasonic NN-T994SF Microwave Oven quits after 15 seconds


my microwave shuts off after a few seconds. is there a fuse that needs replacing?

Feb 01, 2010 | Panasonic NN-T994SF Microwave Oven

1 Answer

Panasonic Model No. NN-S933BF Microwave Oven


No sorry the issue will be with eiher the inverter, the magnetron or the main timer board. There is a tracer signal that comunicates through these components and if it doesnt get to where it is supposed to go it wil just shut off, the big hint at that is the time interval. It is not something like a sensor heating up and causing a fault. it is not running long enough to get any thing hot it is in the electroincs. Too expoensive to repair, im sorry better to get a new one. Good Luck

Jun 17, 2017 | Panasonic NN-S950BA Microwave Oven

1 Answer

Stops after 3 seconds - Panasonic NN-S252BF


may be magnetron spoiled or high voltage section problem,please check circuit andreplace damage parts...

Aug 14, 2008 | Panasonic NN-S254BF Microwave Oven

1 Answer

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

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Jun 07, 2008 | Panasonic NN-S254BF Microwave Oven

1 Answer

Panasonic Microwave


Since it's under warranty, I would contact Panasonic customer service for a free repair.

http://www2.panasonic.com/consumer-electronics/support/Home-Appliances.75542

We're happy to help and we appreciate your thoughtful rating of our answer.

Apr 02, 2008 | Panasonic NN-S254BF Microwave Oven

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