Question about Panasonic NN-P295SF Microwave Oven

2 Answers

Panasonic nn-s255 wont turn on

Hi folks,

this microwave just stopped working - 2 years old and suddenly wont turn on - it went on for about 3 seconds when it died. No power at all - didnt trip a breaker.

Any thoughts?

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2 Answers

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  • Panasonic Master
  • 9,047 Answers

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

Posted on Sep 12, 2009

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  • 1 Answer

This happened to me and it turned out to be a blown fuse in the micowave.

Posted on Jan 19, 2010

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Posted on Jan 02, 2017

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You can find an authorized Panasonic servicer here.

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

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