Question about Panasonic NN-S542 Microwave Oven

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It stoped I have panasonic NN-S542 for 4 year. it works fine until now. when you turn it on, it is turnning for 3 seconds then it stop. if you turn it on, it run 3 second and then stop again. please help. thanks.

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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.

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.

Posted on Nov 09, 2008

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Panasonic microwave model #NN-SD697S stopped working. Timer works for 2-3 seconds without motor running(heating) then turns off. Push start button, nothing happens.


@William Miller - where are you located if i'm interested in your help with the microwave repair? I'm having the similar issue with the Start buton not working for my Panasonic NNSD697SS. Thanks

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Panasonic nn-s255 wont turn on


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://www.microwavedisplay.com/safety.txt , http://www.microwavedisplay.com/disassembly.txt and http://www.microwavedisplay.com/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.

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

NOTE: The FixYa system is not currently notifying me when folks reply to my posts, so please contact me directly for more help.

William E. Miller
prototech@usa.net
http://www.microwavedisplay.com

Sep 08, 2009 | Panasonic NN-P295SF Microwave Oven

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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.

Mar 27, 2009 | Panasonic NN-S252WF Microwave Oven

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I turn my microwave on and it turns off after about 2 seconds


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.

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.

Dec 28, 2008 | Panasonic NN-S562 Microwave Oven

1 Answer

Panasonic NN- A712 combination Microwave 1000w - Switches off after 20 seconds


The 22 seconds is the giveaway.

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 and we'd appreciate your thoughtful rating of our answer.

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1 Answer

I have Panasonic NN-S262. After i press the buton start it is working for 3-4 sec and stoped.


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.

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 and we appreciate your thoughtful rating of our answer.

Jul 06, 2008 | Panasonic Microwave Ovens

1 Answer

Microwave runs for a few seconds then stops


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. You can find one here.

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

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PANASONIC MICROWAVE NN-K657


To UNLOCK it, press Stop/Clear 3 times.
To LOCK it, press Start 3 times.

You can download your owner's manual here:
http://techdocs.panasonic.co.uk/GetDoc.aspx?did=125787&fmt=pdf&lang=en&src=3

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

Feb 24, 2008 | Microwave Ovens

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