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Microwave won't turn on

Panasonic Microwave NN-T945SF shut off and won't turn back on. Is there a fuse somewhere? If yes, where is it? Can I change it myself?

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If the oven is completely dead it might be due to a fuse. Most ovens use a 15-amp ceramic fuse found under the cover. Two problems, though. First, the fuse seldom just goes on its own; usually something else is bad first, which means other troubleshooting and parts replacement. Second, many microwave oven covers are held on with security screws and you'll need to hunt up the appropriate driver.

If the oven has power but doesn't heat, the cause is usually failure of one of three main parts that make the microwaves (magnetron, capacitor or diode).

A microwave oven is not complicated to work on, but because of the voltages present and possibility of microwave leakage if a repair isn't done correctly, there is an element of risk involved. Unless the oven is a very high-end model or a built-in or over-the-range model, you might want to replace it instead of repairing. Like other appliances, they are inexpensive and repair often comes close to or even exceeds the cost of new.

Hope this is helpful.

Posted on Nov 24, 2008

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1 Answer

Turntable for microwave model#nnt945sfx


The cooking tray and roller for the NNT945SFX are available from Panasonic on the microwave's product page under the accessories tab. See http://shop.panasonic.com/support-only/NN-T945SF.html .

The parts list from Partstore.com is fairly complete: https://www.partstore.com/Model/Matsushita/Panasonic/NNT945SFX.aspx . The cooking tray for the NNT945SFX is part number F06014M00AP. It is available here: https://www.partstore.com/Part/Matsushita/Panasonic/NNT945SFX/Matsushita/Panasonic/F06014M00AP/New.aspx . The roller that goes under the glass tray is part F290D9330AP. That is available here: https://www.partstore.com/Part/Matsushita/Panasonic/NNT945SFX/Matsushita/Panasonic/F290D9330AP/New.aspx . The motor to run the turntable is available as well.

I hope this helps. Other vendors will have the tray and roller as well.

Cindy Wells

Nov 30, 2016 | Panasonic Microwave Ovens

1 Answer

NN-T945SFX CODE H98 RUNS A FEW SECONDS THEN STOPS


There are a number of possible causes.

The following link will take you to a page with the diagnostic flow chart that you can use to troubleshoot this issue:
Microwave Fault Codes

This customers review of that issue may also be of some help:
Customer Reviews Panasonic NN T945SF 2 2 Cubic Foot 1250 Watt Microwave...

Dec 24, 2014 | Panasonic Pansonic microwave

1 Answer

Why my microwave NN GD371M will run for 4 seconds then shut off. display shows code h97?


There are a number of possible causes.

The following link will take you to a page with the diagnostic flow chart that you can use to troubleshoot this issue:
Microwave Fault Codes

This customers review of that issue may also be of some help:
Customer Reviews Panasonic NN T945SF 2 2 Cubic Foot 1250 Watt Microwave...

Jun 17, 2014 | Panasonic NN-T990SA Microwave Oven

1 Answer

Code on screen H-98 wont run


www.panasonic.com/.../troubleshooting-failure-co

Jun 16, 2014 | Panasonic NN-T945SF Stainless Steel 2.2...

1 Answer

Where is the high voltage capacitor at on panasonic microwave model nn-sn960s


behind the control panel,while your checking the h.v. cap check the h.v. diode for a shorted condition as this will also blow the 20 amp fuse too

Jan 06, 2013 | Panasonic NN-H275 Microwave Oven

1 Answer

How do i change the light bulb? Panasonic model NN-T945SF


Hi,

Do you mean you want to replace light bulb for your microwave? If yes follow the instructions below;
  1. PLEASE UNPLUG YOUR MICROWAVE!
  2. Picture of your microwave with a phone or camera so that you don't forget how to assemble it back.
  3. Remove the two screws that holds grill. They are located at the edge of the unit. Once the screws are out, rotate the grill forward from the top. It will pop right out.
  4. Once the screws are out, rotate the grill forward from the top. The grill should pop right out.
  5. Locate a small access cavity on the left.
  6. Remove the screw that is located near the front of the microwave door.
  7. Lift up the sheet metal floor to access the bulb. The bulb is located under the sheet metal "floor" on the left.
  8. Place a flash light on the microwave floor and shine the light in the light area. This will help you see better when you replace your bulb.
  9. Look for a small shiny reflector that hides the bulb. Use your two fingers to squeeze it a bit. Making sure not to bend it.
  10. The bulb connection should come right out.
  11. After you replaced the bulb, re secure the reflector and the sheet metal floor with the single screw. Test the bulb by plugging in your microwave.
  12. Once you see that the bulb works. Unplug your microwave again and re attach the front grill. You are now done.
I hope this helps to solve your problem.

Good luck.

Apr 09, 2011 | Panasonic NN-S541 Microwave Oven

2 Answers

Panasonic NN-T994SF Microwave Oven quits after 15 seconds


my microwave shuts off after a few seconds. is there a fuse that needs replacing?

Feb 01, 2010 | Panasonic NN-T994SF Microwave Oven

1 Answer

My panasonic NN-T945SF starts, runs for a few seconds and then shuts off. And I smell rubber burning.


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.

Sep 07, 2009 | Panasonic NN-P794SF Microwave Oven

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