Question about Panasonic NN-T888S Convection/Microwave Oven

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No mater time salected only cooks for 17 seconds

Will not cook for more than 17 seconds on any program micro/grill/fan oven modell no nn- a873s

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  • 78 Answers

I think you have a problem with your magnetron or the inverterpcb if your unit has inverter inside writen on the front it could be an expensive repair please contact me to let me know iffell up to tackling this repair as it can be dangerous

Posted on Dec 11, 2012

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Posted on Jan 02, 2017

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MicrowaveSvc
  • 9047 Answers

SOURCE: Micro Wave shuts down

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.

Posted on Nov 24, 2008

  • 1 Answer

SOURCE: Panasonic NN-S262SF stops cooking after 3 seconds

inverter problem the transistor 1M30D is shorted

Posted on Jan 07, 2009

MicrowaveSvc
  • 9047 Answers

SOURCE: panasonic microwave oven model nn-p994sf

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.

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

Posted on May 22, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: Panasonic Microwave Model NN-S454 glass tray does not rotate

I would suspect that you have trouble with one of the door switches or its mount.

Door switch or mount trouble is usually 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.

If the switch mount is broken, it's usually more economical and safer to add a dab or two of hot glue to the mount to secure the switch. Let it cool for about 30 minutes before using.

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.

See: http://www.microwavedisplay.com/safety.txt and
http://www.microwavedisplay.com/disassembly.txt

At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

If you only need a switch, you can order a universal type here for $5 postpaid.

You can order other parts for this brand at Encompass (formerly Tritronics). Or you can call them toll-free at 866-779-5835.

If you think the problem is on the control panel, we repair these nationwide by mail for $39.95 postpaid in most cases in about a week or so.

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

Posted on Mar 06, 2009

MicrowaveSvc
  • 9047 Answers

SOURCE: Brand new panasonic nn-ct776. When using microwave

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.

Posted on Aug 09, 2009

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1 Answer

Would like specifications to JVM1850SM2SS


  • 1.8 CF Oven Cavity
  • Electronic Touch Controls
  • 950 Watts
  • Display On/Off Yes (option pad)
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Dec 15, 2014 | GE Microwave Ovens

1 Answer

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

Apr 12, 2014 | Panasonic NN-S563 Microwave Oven

1 Answer

Food not cooking in center


What make and model?? Sounds like it is not a carousel model. Have you tried a "Micro Go Round" ?? Otherwise, try rotating the 'plate' each quarter cycle...ie; every 30 seconds on a 2 minute cook time. Be sure to push the stop button first before you open the door to save wear and tear on the door switches......

Nov 04, 2013 | Microwave Ovens

1 Answer

I have a GE Profile Spacemaker model JVM1660SB005, maufactured in November 2000. I attempted to change a burned out bulb on the left side. I did not check the manual to see how to remove the bulb, nor...


I regularly see (and repair) this light and / or fan failure on model JVM1660SB005 and most any model of over the range microwave.
The problem is on the controller assembly, which I regularly repair very affordably.

At my Web site, you can get details, plus I have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

This light failure often occurs when a bulb goes out and the filament shorts, or when the bulbs are removed or installed without first unplugging the oven from the power line. Either can cause such a failure on the controller.

The lights can can be inoperable or stuck on or stuck in "night light" mode. Sometimes this will similarly affect the fan operation or inside light, too.

For more free DIY and other help & advice, feel free to contact me via my site.

Please include FULL model number*, FCC ID number*, + detailed symptom information. ( * on the tag in cooking cavity or around door frame or control frame or on back)

William E. Miller, AS-EET
http://www.microwavecontrol.com
Microwave Oven Control Panel Repair Nationwide
"Recycling by repairing since 1982"

Mar 05, 2017 | GE Microwave Ovens

1 Answer

I have a GE Profile Spacemaker model JVM1660SB005, maufactured in November 2000. I attempted to change a burned out bulb on the left side. I did not check the manual to see how to remove the bulb, nor...


I regularly see (and repair) this light and / or fan failure on model JVM1660SB005 and most any model of over the range microwave.
The problem is on the controller assembly, which I regularly repair very affordably.

At my Web site, you can get details, plus I have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

This light failure often occurs when a bulb goes out and the filament shorts, or when the bulbs are removed or installed without first unplugging the oven from the power line. Either can cause such a failure on the controller.

The lights can can be inoperable or stuck on or stuck in "night light" mode. Sometimes this will similarly affect the fan operation or inside light, too.

For more free DIY and other help & advice, feel free to contact me via my site.

Please include FULL model number*, FCC ID number*, + detailed symptom information. ( * on the tag in cooking cavity or around door frame or control frame or on back)

William E. Miller, AS-EET
http://www.microwavecontrol.com
Microwave Oven Control Panel Repair Nationwide
"Recycling by repairing since 1982"

Mar 05, 2017 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Oven shuts off on cook after about 2 seconds


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.

Your actual model number is located on a tag around the control panel frame, door or below the cooking cavity.

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

Jan 12, 2009 | Panasonic NN-T654SF Microwave Oven

1 Answer

Micro Wave shuts down


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 19, 2008 | Panasonic NN-S443WF / NN-S443BF 1200 Watts...

1 Answer

Panasonic Model NN T964SF inverter microwave runs for less than 5 seconds and shuts off. Power control function does not work either. Pressing power control a number overrides cook time with power...


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.

Aug 02, 2008 | Microwave Ovens

2 Answers

Panasonic NN-S262SF stops cooking after 3 seconds


inverter problem the transistor 1M30D is shorted

May 28, 2008 | Panasonic NN-S262SF Microwave Oven

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