Panasonic NN-T993SF Microwave Oven Logo

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A
Anonymous Posted on Aug 17, 2014

Panasonic NN-T993SF door doesn't latch shut thereby unable to turn it on. It could be the spring or a tab? All lights come on but the start button isn't working.

Also, the indented area the wheels travel for the tray has started peeling. Can I sand it and repaint that with an enamel?

5 Related Answers

Anonymous

  • 579 Answers
  • Posted on Feb 07, 2008

SOURCE: nn t993sf

Sounds like the door switches are out of adjustment or broken.
I would take it to a shop for repair. Microwaves are almost always repaired affordably unless it is really old.
Hope ya fix it!

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Anonymous

  • Posted on Apr 20, 2008

SOURCE: Door shut off malfunction

I have the same problem starting yesterday April 19. Have you gotten any answers.

MicrowaveSvc

William Miller

  • 9179 Answers
  • Posted on Sep 27, 2008

SOURCE: T993 - Positive Lock Switch ?

This is usually caused by either a bad door switch, a loose door switch mount (which are pretty simple problems to fix) or occasionally a problem on the control panel.

Even though a door switch clicks, it may still be bad inside. Its continuity must be checked.

Door switch or mount trouble can be caused by slamming the door or by opening the door while it's cooking without hitting the Stop pad first.

There are plastic mounts inside the microwave which hold the door switches and onto which the door latches lock when you close the door.

The screws on these mounts may be loose. If they get too loose, the switches will not be activated properly.

Sometimes it's a broken tab on the switch holder, allowing the switch to rotate just out of position. This tab can be hard to see, since it is under the bottom edge of the switch.

One test that sometimes helps is to gently lift up (and/or push down) on the door or handle as you try to start it. If it works or tries to work, then it's a door switch mount or door alignment issue.

If you or someone you know decide to look into it, we have critical information on safety, disassembly and door switches at our site, and our link is at our listing here on FixYa:.

You can find an authorized Panasonic servicer here. You can order Panasonic parts here.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Anonymous

  • 192 Answers
  • Posted on Apr 13, 2009

SOURCE: Panasonic - NN-T993SF 1350 watts microwave

Sorry this is something you wont fix at home I couldent even do this one.This is a nice unit depending on the cost this one I think is worth the repair bill , Good luck DFD please rate me TK U

Silverdragon

electronic & computer repair& servicre

  • 12061 Answers
  • Posted on Jun 06, 2010

SOURCE: Microwave (Panasonic NN-S254BF) starts, runs 2-3

In all likelihood the mangnetron has failed, or perhaps even the Power Supply. or a fault that is shutting the system down for safety reasons You need to have it serviced by a reputable service centre/man. Ensure you get a firm "Quote" before proceeding, and remember these days the cost of repair can equal or exceed the price of a new one.


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Related Questions:

0helpful
1answer

Cannot get door open (and there is food inside). Push button goes in all the way, will not release door latch

Disconnect from the mains supply.
Remove the cover and you will see how the latches lift.
Hope that helps.
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Microwave wont start but timer counts 3 secs and shuts off

Check the door latch mechanism the black nylon door catch may be broken.
0helpful
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Panasonic - NN-T993SF 1350 watts microwave

Sorry this is something you wont fix at home I couldent even do this one.This is a nice unit depending on the cost this one I think is worth the repair bill , Good luck DFD please rate me TK U
2helpful
1answer

T993 - Positive Lock Switch ?

This is usually caused by either a bad door switch, a loose door switch mount (which are pretty simple problems to fix) or occasionally a problem on the control panel.

Even though a door switch clicks, it may still be bad inside. Its continuity must be checked.

Door switch or mount trouble can be caused by slamming the door or by opening the door while it's cooking without hitting the Stop pad first.

There are plastic mounts inside the microwave which hold the door switches and onto which the door latches lock when you close the door.

The screws on these mounts may be loose. If they get too loose, the switches will not be activated properly.

Sometimes it's a broken tab on the switch holder, allowing the switch to rotate just out of position. This tab can be hard to see, since it is under the bottom edge of the switch.

One test that sometimes helps is to gently lift up (and/or push down) on the door or handle as you try to start it. If it works or tries to work, then it's a door switch mount or door alignment issue.

If you or someone you know decide to look into it, we have critical information on safety, disassembly and door switches at our site, and our link is at our listing here on FixYa:.

You can find an authorized Panasonic servicer here. You can order Panasonic parts here.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
1helpful
1answer

Door does not latch close on the Panasonic Microwave Oven Model No. NN T444SF

If you gently push up on the door latches (hook-like devices on the door) there should be spring tension. If they just flop right up, the spring is off.

Normally the problem is not the spring, but a broken spring mounting tab on the door latch head (hook) assembly or the inner door panel.

If it's the door panel, it's usually easier and cheaper to use epoxy and some kind of hardware to fashion a new spring mount.

The door latch head (hook) is easy to replace or repair if that's the issue.

You can order Panasonic parts here.

We have critical safety & disassembly info at our site, linked here.

Normally you have to separate the door panels (as shown in the attached photo) and then you'll see the screws you need to remove.

Or you can watch a YouTube video (not a video I made) here that demonstrates how it's done.

cf0061c.jpg

2helpful
1answer

MY microwave model number Panasonic NN T764SF was operating fine unitl now. but all of sudden the door just would not lock and the light is on all the time. i tried everythng but the door just is not...

If you gently push up on the door latches (hook-like devices on the door) there should be spring tension. If they just flop right up, the spring is off.

Normally the problem is not the spring, but a broken spring mounting tab on the door latch head (hook) assembly or the inner door panel.

If it's the door panel, it's usually easier and cheaper to use epoxy and some kind of hardware to fashion a new spring mount.

The door latch head (hook) is easy to replace or repair if that's the issue.

Normally you have to separate the door panels (as shown in the attached photo) and then you'll see the previously hidden screws you need to remove.

Or you can watch a YouTube video (not a video I made) here that demonstrates how it's done.

You can order Panasonic parts here.

If you prefer, you can contact your nearest Panasonic-authorized servicer.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

c89abc7.jpg

1helpful
2answers

Door shut off malfunction

I have the same problem starting yesterday April 19. Have you gotten any answers.
0helpful
1answer

Nn t993sf

Sounds like the door switches are out of adjustment or broken.
I would take it to a shop for repair. Microwaves are almost always repaired affordably unless it is really old.
Hope ya fix it!
4helpful
2answers

Panasonic Microwave Turn table rotates when door is open

Found this Panasonic post in the Samsung section!

If it moves just a tiny bit when the door opens and then stops, that's normal.

If it keeps running when the door is open, that's usually due to a bad door switch or broken / loose door switch mount.

If you or a friend decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and
disassembly information at our site, linked here on Fixya: http://tinyurl.com/yzjozk

Any Panasonic parts not available locally can be had here: http://www.pasc.panasonic.com/epartr

We appreciate your thoughtful rating of our answer.
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