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Panasonic nne225mb Microwave oven does not heat up

Microwave oven does everything as normal but does not heat up

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Panasonic Dimension 4 Turbo Bake

Your Magnatron is most likely to have failed, its an expensive part and on a turbo 4 could be 2M236-M42. Unfortunatly this appears to fail due to reduced air flow. So if you do replace it I would clean the rear grills completely to increase the airflow within the oven.

Posted on Aug 23, 2008

  • 1 Answer

SOURCE: Microwave won't heat food.

My Whirlpool microwave, over the stove, stopped working when my son used it to heat his food and a heavy sound came out, like something exploded in it. When I check it, there was nothing broke. Everything works fine except that it does not heat. I will appreciate any help

Nate

Posted on Nov 09, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: My Maytag MMV4205 Microwave Oven runs but does not heat

With the symptoms you have, I would most strongly suspect a shorted high voltage rectifier diode or a bad magnetron, or a loose and possibly corroded connection on the magnetron's terminal.

The diode is a fairly cheap fix, and the mag will cost more.

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

There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.

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 don't find yours, or if you want to look at it without disassembling the oven, you can download it here.

Here are some links you or someone you know can use for test help, but read their safety warnings first:

http://www.gallawa.com/microtech/diode.html (if it's not shorted, it's probably okay)
http://www.gallawa.com/microtech/mag_test.html
http://www.gallawa.com/microtech/xformer.html

You can usually find helpful exploded view diagrams and order parts by entering your full model number here.

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

Posted on Dec 15, 2008

Sailorm0on
  • 61 Answers

SOURCE: Rust inside the microwave oven

This is just okay but if you're quite doubtful you may bring this to any appliance service center for repaint

Posted on May 15, 2009

localwonder
  • 6784 Answers

SOURCE: MICROWAVE IS NOT HEATING

HI, the actual device that produces the heat is damaged or faulty. this device is called the Magnetron. you will need to replace this part in order to restore the heating ability of this microwave oven.

Please rate and have a great day:)

Posted on May 29, 2009

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1 Answer

Panasonic NN-H965WF Microwave oven


We recommend the microwave is evaluated by an authorized service center by using www.panasonic.com/repair Welcome to Panasonic Online Repair

Apr 13, 2014 | Panasonic Microwave Ovens

1 Answer

Everything works but "heating". Makes grinding


The loud buzzing sound with no heating, is symptom that the magnetron has failed in your oven. Magnetron replacement cost are almost as much as new oven, so it does not make financial sense to repair. Sorry.

Jan 21, 2011 | Panasonic Microwave Ovens

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My Panasonic Model NN-S252WF is not heating properly, it takes about 2x as long as normal to heat something


Hi,


Here is a tip that will help you to figure out what is wrong with your Microwave Oven....

Basic Microwave Oven Troubleshooting Tips

heatman101



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Dec 15, 2010 | Panasonic NN-S252WF Microwave Oven

1 Answer

I have a panasonic inverter microwave model 1250w and does not heat up, everything else works fine


its likley to be the magntron burnt out,,(thats the bit that heats the food up) its a pricy part to buy and have fitted,,it may be a lot cheeper to buy a new unit

Jun 20, 2010 | Panasonic NN-S254WF Microwave Oven

1 Answer

Everything works but won't heat


What you got was an oven with a bad MAGNATRON (this is whats the food!) I would return for replacment oven!...This is a common problem with these ovens!
I hope I was of big help to you!
Please rate this FREE solution!
Thank You!

Jan 17, 2009 | Microwave Ovens

1 Answer

Oven won't heat and shuts down after approx. 20 seconds


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 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.

Dec 18, 2008 | Panasonic NN-S763BF Microwave Oven

2 Answers

Appears normal


ya this is the same problem i too had...everything will seem to right but the part required for heating might be damaged internally...try changing tat...here i did the same...

Sep 19, 2008 | Frigidaire GLMV168K Microwave Oven

1 Answer

Microwave does'nt heat up everything else works,just don't heat up


WHAT IS WRONG WITH YOUR MICROWAVE?

small_6_37.jpg For a detailed Microwave illustration, click below.

redarrow.gif Counter top
redarrow.gif Built in
Danger! You can receive a serious electrical shock from the components inside your microwave oven--even when it's unplugged. Only a qualified appliance repair technician should perform any repair.

It doesn't work at all
It sounds normal, but there's no heat
I can't adjust the power level
The carousel won't turn
I have intermittent cooking problems
The display flickers
There's no heat, but it buzzes loudly
It quit after I slammed the door
It looks like there's lightning (arcing) inside my microwave

hope this may help;

Regards,
VOTIT

DON'T FORGET TO RATE;

Aug 10, 2008 | Panasonic NN-S541 Microwave Oven

2 Answers

Panasonic Microwave NN-A770S getting hot on right side externally


If you described this to Panasonic very carefully, and they said it's normal, then I would say keep using it until such time that you get other symptoms. The inverter has some parts mounted on a large chunk of aluminum called a heat sink. It draws the heat out of the parts and the heat radiates and/or convects away. This keeps the circuit parts from overheating. As long as you have good air flow through the vents, it sounds okay.

Sep 13, 2007 | Microwave Ovens

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