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Posted on Aug 09, 2009
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Brand new panasonic nn-ct776. When using microwave only goes for about 5/6 seconds and then stops other oven cooking methods works OK.

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William Miller

William Miller

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  • Panasonic Master 9,179 Answers
  • Posted on Aug 09, 2009
William Miller
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If it stops after 7 seconds, it has a problem with the inverter.

Due to the lethal voltages used and produced in inverters, I do not recommend that an inexperienced person work on these.

Plus, since it's new (less than one year old), it would be fully covered under warranty. I'd suggest contacting the manufacturer to get it fixed free.

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.

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NN-T563 shuts off after 5 seconds
We recommend you use the below link to locate an authorized service center. Panasonic microwaves have a 5 year warranty on the microwave.

www.panasonic.com/repair
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Oven only runs for 5 seconds no matter the time programmed in. the power level can be set and it does not matter, the oven runs for 5 seconds and shuts off.
I would need your full model number to help you best, but I'm guessing that at least it's a Panasonic?

See if this describes what's happening:
  • Put in time, push start and unit runs for 2 seconds, relay clicks, unit goes off. Cook time on display goes off and clock time comes back. Bad upper interlock switch and charred connector
If so, see
http://031d26d.namesecurehost.com/mwd/safety.txt
http://031d26d.namesecurehost.com/mwd/disassembly.txt
http://031d26d.namesecurehost.com/mwd/doorsw.txt

Otherwise, if the digital programmer circuit / controller does not get a feedback signal from the inverter for a period of 3 seconds, the controller will stop the cook cycle.

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.

If yours is not a Panasonic, please create a new post with your brand and model number so we can help you.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Read full answer
Oct 10, 2011 • Panasonic NN-H264 Microwave Oven
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I have a Panasonic microwave oven NN-L531WF. Countertop, 1100 Watts. It's 8 years old. Used about 5 times a day to heat water for a cup of coffee (60 seconds). Problem: All of a sudden, it runs only 3...
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Be the first to answer Apr 28, 2017 • Panasonic NN-L531WF Microwave Oven
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Microwave shutts off after 2 seconds/
See if this describes what's happening:
  • Put in time, push start and unit runs for 2 seconds, relay clicks, unit goes off. Cook time on display goes off and clock time comes back. Bad upper interlock switch and charred connector
If so, see
http://207.234.249.73/mwd/safety.txt
http://207.234.249.73/mwd/disassembly.txt
http://207.234.249.73/mwd/doorsw.txt

Otherwise, if the digital programmer circuit / controller does not get a feedback signal from the inverter for a period of 3 seconds, the controller will stop the cook cycle.

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.

If yours is not a Panasonic, please reply back with your brand and model number so we can help you.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Read full answer
May 22, 2010 • Panasonic NN-S592 Microwave Oven
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NN-T774 INVERTER STOPPED WORKING AFTER 4 WEEKS
Check to make sure one of the plastic hooks on the door was not broken off. If both door hook latches are functional then the most likely cause of your problem is one of the latch switches located behind the control panel. These switches will fail if the oven user opens the door frequently BEFORE the cook cycle ends. Always push STOP/RESET before opening any microwave oven door.
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Dec 30, 2009 • Panasonic Microwave Ovens
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Purchased a panasonic NN-H965 microwave and yesterday when using it, it started making the following noise: upon starting, the unit works for 3 seconds with funny noises and then it stops. There used to be...
See if this describes what's happening:
  • Put in time, push start and unit runs for 2 seconds, relay clicks, unit goes off. Cook time on display goes off and clock time comes back. Bad upper interlock switch and charred connector
If so, see http://www.microwavedisplay.com/safety.txt , http://www.microwavedisplay.com/disassembly.txt and http://www.microwavedisplay.com/doorsw.txt

Otherwise, if the digital programmer circuit / controller does not get a feedback signal from the inverter for a period of 3 seconds, the controller will stop the cook cycle.

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.

If yours is not a Panasonic, please reply back with your brand and model number so we can help you.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Read full answer
Aug 26, 2009 • Panasonic NN-H965 Microwave Oven
2helpful
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Panasonic microwave oven model NN-T774SF remain on after starting about 25 Seconds than goes off without heating, light fan timer working Ok, plz let me know how to resolve this problem?
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Feb 26, 2009 • Panasonic NN-T774SF Microwave Oven
3helpful
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Operates for 3 seconds on microwave then stops
If the digital programmer circuit / controller does not get a feedback signal from the inverter for a period of 3 seconds, the controller will stop the cook cycle.

It could possibly be as simple as a loose connection in that area. The repair shop your friend used may not have been Panasonic-authorized.

Due to the lethal voltages used and produced, I do not recommend that an inexperienced person work on these.

I would recommend that you 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.
.
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