Question about Panasonic NNT995SF Stainless steel 1250 Watts Microwave Oven

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Was using Microwave to reheat for several minutes. Job well done. Put in a Pampered Chef stone square dish to continue heating . Oven started making electric sounds, didn't see sparking, terrible electric smell. Turned off. Put in a small glass of water, same results. Unplugged and put outside to air. The light and display panel looked OK and on. But onlly made the "electric" sound. Now afraid to use.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

Illeagle
  • 525 Answers

SOURCE: Panasonic NN-T994SF 1250 watt countertop microwave stopping

From my research, this sounds like a fairly new model. Consult your user's manual to see if this is a user, or common issue. If nothing is descibed then I would seek possible warranty service, or dealer replacement

Posted on Jun 03, 2008

ginko
  • 19396 Answers

SOURCE: when microwave wss turned on, there was no heat but smoke

Test the high voltage capacitor, the rectifier diode.or the magnetron. If all this are fine, test the control board.

If it additionally does not spin and no light, then check also the door switch and fuse.

The diode and capacitors can br tested. The capacitor must be allowed discharge before testing, or you risk to get electrocuted, even if power is off. Capacitors can get discharged by shorting their two contacts.
Replace the magnetron if the checks and all of the high voltage component tests are good, but the unit still does not heat.

All locations, and description of this parts can be located using the diagram here: Counter top.

Parts must be tested to find out what is wrong.

Remember that microwaves are potentially dangerous devices if not repaired properly, the job must be done by a competent person.
A microwave energy leakage test must always be performed when the oven is serviced for any reason.

Regarding parts, contact the seller here to purchase parts. (here in UK).

Posted on Apr 27, 2009

  • 150 Answers

SOURCE: sparking behind the wave guide in model NN-T664

The antenna on the magnetron is wearing out becuase it is damaged. Replacing the antenna from another magnetron normally solves his problem.

Posted on May 13, 2009

caroldon
  • 17129 Answers

SOURCE: Panasonic NN-T785SF microwave smoking and popping

Not to worry ,Please use a good torch light or lamp to look inside the microwave cabin. On the side where the magnetron is fixed look for any food particles which could have stuck while heating. Use a good cleaning solvent to do this job. You must remove all the roller and plates and clean dry. Once you have done this open the top cabinet with the mains wires disconnected. Look inside the side panels for dirt, insect which have got entangled and cooked. use a good brush and blower to clean dry. If the main capacitor has leaked replace with a similar type. Get help if you are not able to do this as it is a dangeorus section with high voltage. You will get to the smelling part once you had inspected these areas. Replace the part in question, can be even the surge protector at the mains end. Hope this helps. Good day

Posted on Jul 19, 2010

  • 11800 Answers

SOURCE: Gday I have a Panasonic

The timer is defective. Unfortunately the timer is part of the control chip and the chip is soldered on the board and can't be replaced on its own.
You need a new control board and you can find one only at a dealer.

Posted on Nov 27, 2010

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