Question about Panasonic NN-T990SA Microwave Oven

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Microwave runs for about 5 seconds then shut off.

I have a Panosonic 1300 w microwave about 4 years old. It's a(F00064W70AP)) Type AP103. It'll start and run for about 5 seconds and just shut off. Anything I can do?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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MicrowaveSvc
  • 9085 Answers

SOURCE: My three second microwave

This is probably due to a defective or possibly loose magnetron.

If yours has loose mounting nuts / bolts or the wire mesh RF gasket was not installed or got pinched, that can also cause
this RF leakage interference inside the oven.

It may also need a new high-voltage diode and stirrer, and the cavity may be affected.

GE had a campaign (but not a recall!) covering several models.

Details are in their bulletin at http://207.234.249.73/mwd/ge_mw_mag_kit_bulletin.pdf

If you or a friend decide to look into it, we have critical information on safety and disassemblyat our site,
linked here on Fixya: http://tinyurl.com/yzjozk

You can find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383

Posted on Nov 05, 2007

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  • 1 Answer

SOURCE: Panasonic Model No. NN-S933BF Microwave Oven

could it be that i didn't follow the manuel because i got it second hand or is it because something is wrong with it,and i have to get it fixed.

Posted on Oct 21, 2008

  • 1 Answer

SOURCE: panosonic nn-t790 microwave

I pulled the top and sides (one piece) of the microwave. Near where the 110 volt line goes into the unit is a standard fuse ( 18 amp). I used an ohmeter on ther fuse and determined that it was not working and replaced it. Problem solved - unless it blows again.

Posted on Nov 07, 2008

  • 4 Answers

SOURCE: my microwave says "child" and won't play anymore

Not sure of the TT series models but for the NN series models the procedure is as follows:-

If "Child" is displayed in the display window, then the child safety lock is on.

To remove the child safey lock, press the "Stop/Reset" button 3 times in fairly short succession (less than 3 seconds). The time of day or just the Colon sign (:) is then displayed

If you later want to apply the Child safety lock, then, when the time of day (or colon sign) is displayed, press "Start" 3 times (again in short succession).

Hope this helps

Doug

Posted on Nov 08, 2008

pgh_pa_guy
  • 2992 Answers

SOURCE: Microwave won't heat anything

Yeah, it's time to invest in a new oven. The magnetron tube in yours most likely just finally wore out. It's the source of the microwaves, and like any tube it gets weaker with age and finally just quits altogether. It would cost more for a new magnetron than it would for a new oven these days.

Posted on May 16, 2009

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