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Microwave Panasonic NN-CT559W The 10 Am fuse blows few seconds after starting the cooking cycle

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 19 Answers

SOURCE: Ge Spacemaker microwave jvm240 wv Micro hood combo.

sounds to me like the magnatron has shorted out. i don't know of a way to test them unless you have some high dollar equipment. a continuity test prob wont tell you anything. what reading did you get on the cap when you tested it?

Posted on Jan 06, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: Panasonic NN- A712 combination Microwave 1000w - Switches off after 20 seconds

The 22 seconds is the giveaway.

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 and we'd appreciate your thoughtful rating of our answer.

Posted on Jul 19, 2008

  • 1 Answer

SOURCE: Panasonic NN-CS596S Convection Combi Steam Oven

hi i have the panasonic combi and on the microwave it will work for a few seconds and then stop and on the screen it shows h98 please help

Posted on Sep 13, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: Panasonic nn-p295 blows buss fuse when turned on for cooking

If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor.

If it went dead a few seconds after pressing the Start pad, that's usually a failing high-voltage transformer. But this is likely an inverter model, so it wouldn't have one and would be some other component in the inverter I'd say.

If it goes dead or blows the breaker (or GFI) when you plug it in or open or close the door, then there's a problem with a door switch or door switch mount.

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.

Here are some links you or someone you know can use (in order given) for test help, but read the safety warnings first:

http://www.microwavedisplay.com/safety.txt

http://www.microwavedisplay.com/disassembly.txt

http://www.microwavedisplay.com/doorsw.txt

http://www.gallawa.com/microtech/cap_test.html

http://www.gallawa.com/microtech/xformer.html

http://www.gallawa.com/microtech/mag_test.html

The best place to order Sharp parts is Tritronics. Or you can call them toll-free at 866-779-5835.

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

Posted on Dec 26, 2008

  • 1 Answer

SOURCE: Panasonic NN-H264 1200...stops after 3 seconds

I found sufficient information elsewhere.

Posted on Feb 13, 2009

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1 Answer

The microwave is working but not the convention oven. What can I do is it worth getting fixed? Model is a Panasonic NN-CT559W.


If you wish to get some details about microwave oven and its working ; check the site linked here. Pull up older posts..
http://electro-medical.blogspot.com/

May 11, 2016 | Panasonic Microwave Ovens

1 Answer

As soon as i try to cook anything it blows the breaker, its only 2 years old doesn't start cooking at all just as soon as you hit start the breaker blows my model is a nn-sd297 of course it's 2...


The service manual is here.

You can order parts from Encompass here.

It may be a bad monitor interlock / short switch, or possibly a shorted capacitor or other problem in the inverter.

But I'm surprised the 20A fuse is not blowing before the breaker is!

I hope it's on at least a 30A breaker...

Let me know if I can help further.

Sep 14, 2011 | Panasonic NN-P295SF Microwave Oven

2 Answers

Panasonic NN-T994SF Microwave Oven quits after 15 seconds


my microwave shuts off after a few seconds. is there a fuse that needs replacing?

Feb 01, 2010 | Panasonic NN-T994SF Microwave Oven

1 Answer

Is there an internal fuse?


there is a fuse, but if this was blown nothing would work, sounds like a capacitor on the control board,just replace the board

Oct 07, 2009 | Panasonic NN-H764 Microwave Oven

1 Answer

Will not cook or will not warm


Your temperature sensor inside on the microwave need to rreplace. It maybe dirty or faulty. Bring your microwave to electronics technician to check it.

Jul 24, 2009 | Panasonic NN-H504WF 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

Panasonic nn-p295 blows buss fuse when turned on for cooking


If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor.

If it went dead a few seconds after pressing the Start pad, that's usually a failing high-voltage transformer. But this is likely an inverter model, so it wouldn't have one and would be some other component in the inverter I'd say.

If it goes dead or blows the breaker (or GFI) when you plug it in or open or close the door, then there's a problem with a door switch or door switch mount.

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.

Here are some links you or someone you know can use (in order given) for test help, but read the safety warnings first:

http://www.microwavedisplay.com/safety.txt

http://www.microwavedisplay.com/disassembly.txt

http://www.microwavedisplay.com/doorsw.txt

http://www.gallawa.com/microtech/cap_test.html

http://www.gallawa.com/microtech/xformer.html

http://www.gallawa.com/microtech/mag_test.html

The best place to order Sharp parts is Tritronics. Or you can call them toll-free at 866-779-5835.

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

Dec 26, 2008 | Panasonic NN-P295SF Microwave Oven

1 Answer

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.
.

Sep 15, 2008 | Panasonic NN-C980 Convection/Microwave...

2 Answers

My microwave died


A microwave can be dead for many reasons.

If it goes dead for a while during or after cooking then comes back on, the magnetron is probably overheating and causing the thermostat to open. When it cools, it closes the circuit and allows power through again.

If it's random, it may be a bad connection, usually on the control board or fuse holder.

If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor.

If it went dead a few seconds after pressing the Start pad, that's usually a failing high-voltage transformer.

If the fuse is good, it may be an open thermostat or thermal cutout on or near the magnetron or on top of the cavity / body of the oven.

At our site, we have critical safety information, info on door switch diagnosis and replacement, and disassembly information.

See our listing here on FixYa: http://tinyurl.com/yzjozk

Oct 20, 2007 | Panasonic NN-S251 Microwave Oven

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