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Panasonic Microwave NN-SN966S Keypad Stopped Working

Hi, My Panasonic Microwave NN-SN966S Keypad Stopped Working. Only Stop/Reset button working. Power is ON. None of other buttons are working. After looking at youtube video, I tightended Chip belt, it worked for 1 time but stopped/turned off after showing P7,P6 to P1 on displays. I did again and it did same again. Any kind of help is highly appreciated.

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Larry Ng

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  • Panasonic Master
  • 13,310 Answers

Well , one can work sans sCHEMATIC BUT that is no fun.
my GE the top casing, day 1new had that there taped up there.
wow youtube can get in in trouble fast what in the world is a chip belt.????????
the top failers are in order is this (not carousel motor dead)
1; the 4 safety interlock switches are bad. I'm on set #4 now. 17 years old GE and runs like a champ..
2: maggy dead. or the cap to it or the diode to it dead HV-DC lethal.
3: the overheat sensor bad.
4: the humidity sensors bad (too much steam from food)
5: main fuse blown due to #1 failure and by DESIGN.

I bet Panasonic refuses to sell you the service manual right?
6: rare but if hit by lightning the main logic board is bad.

your users manual has no schematic like my GE has.

now more on #1 the 4 switches timed super carefully and if off time just a tiny bet the Uwave fails hard
this protections prevents say Uwave RV burns to the retina.s an blindness, so is not some game here it is serious.
why not get a real tech to fix and for sure never defeat any switch here or touch the 2000vdc cap there. lethal.
yes it is double lethal device is blind considered.

Posted on Aug 21, 2022

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Otherwise see this link about H97 or H98 codes: http://www.applianceaid.com/micro_faultcodes.html#panasonic

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I tried running the Model number NN-SN9688 and it does not cross. See Panasonic link here: http://www2.panasonic.com/webapp/wcs/stores/servlet/PNAEndecaSearchCmd?N=779832097&Ne=&No=0&Nr=12001&Ns=&Ntk=SupportSearch&URL=vSupportSearch&cmTag=true&catalogId=11017&storeId=15001&cm_sp=SiteSearch-_-SupportSearch-_-SupportHome&Ntt=NN-SN9688&x=28&y=20

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