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Microwave turning off after 22 seconds of cooking time

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  • Microwave Ovens Master
  • 8,820 Answers

And it's a Panasonic model with an inverter, right?

In most cases, this is a problem with the inverter or a bad magnetron.

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. You can find one here.

You should have a one-year warranty on parts and labor and the magnetron itself should have about a 5 year warranty.

We're happy to help and we appreciate your thoughtful rating of our answer.

William E. Miller, AS-EET
prototech@usa.net
http://www.microwavedisplay.com

Posted on Apr 20, 2008

6 Suggested Answers

techman
  • 3130 Answers

SOURCE: Shuts Off after 22 seconds

Time to buy a new microwave as it sounds as if the control panel is defective. A new control panel for this micro will run about 95 to 120 bucks + labor depending on where you buy it. I happen to like slightly burnt popcorn as well!! Nothing wrong with thats, as they say great minds think alike.

Posted on Aug 25, 2006

SOURCE: Microwave shuts off after a few seconds

We have had the same problem described here. We added a heave ceramic pie plate to the turn talbe and it now works 90% of the time. Without it almost never. The problem in one of its incarnations is clearly connected to the turntable.

Posted on Mar 10, 2007

SOURCE: microwave shuts down after 5 seconds

chech the control panel and wiring and thermal sensors..

Posted on Sep 24, 2007

MicrowaveSvc
  • 8820 Answers

SOURCE: GH7145XFB-1 not heating properly

Generally, the most common causes of a failure to heat are:

- bad door switches or door switch mounts
- loose connection at the magnetron
- problem or loose conneciton on the control unit circuit board
- bad magnetron or other high voltage part

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

Posted on Nov 17, 2007

MicrowaveSvc
  • 8820 Answers

SOURCE: Panasonic Model NN T964SF inverter

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.

In most cases, this is a problem with the inverter or a bad magnetron.

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.

Posted on Aug 02, 2008

MicrowaveSvc
  • 8820 Answers

SOURCE: microwave resets after start

See this FixYa solution. even if your model number is different.

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

Posted on May 28, 2010

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


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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.


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

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If it stops after 22 seconds, that means the controller has detected a problem, usually a problem with the inverter or a bad magnetron.

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

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.

Nov 24, 2008 | Panasonic Microwave Ovens

1 Answer

If I put in cook time 3 minutes it only cooks for about 10 seconds then turns off


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.

According to a recent report we received, if it stops after 7 seconds, it has a problem with the inverter.

If it stops after 22 seconds, that means the controller has detected a problem, usually a problem with the inverter or a bad magnetron.

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.

Aug 28, 2008 | Panasonic Microwave Ovens

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Microwave works for 30 seconds and then turns off


The first thing to try is a "hard reset". Unplug it from the power line for a few minutes, plug it back in, set the clock, then try again.

Let us know if the hard reset doesn't fix it.

We're happy to help and we appreciate your thoughtful rating of our answer.

Apr 23, 2008 | Microwave Ovens

1 Answer

Shuts Off after 22 seconds


Time to buy a new microwave as it sounds as if the control panel is defective. A new control panel for this micro will run about 95 to 120 bucks + labor depending on where you buy it. I happen to like slightly burnt popcorn as well!! Nothing wrong with thats, as they say great minds think alike.

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