Question about Panasonic Microwave Ovens

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Turned on the microwave as usual. It started, then after one second when dead. I thought it might be a house fuse but all the other appliances work and I checked anyway. Just went from working to dead! Any solution or just buy a new one? its about a year or two old, a high power 1350W inverter.

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

Microwave Oven Basic Troubleshooting Tips
http://www.fixya.com/support/r5508031-microwave_oven_basic_troubleshooting

heatman101

Posted on Aug 23, 2010

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Posted on Jan 02, 2017

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Microwave won't start


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GE spacemaker XL microwave oven blowing fuse


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

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

If it goes dead or blows the house fuse or 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.

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You can find helpful exploded view diagrams and order parts by entering your full model number from the tag on the oven here.

Here's a YouTube video available showing how to remove a typical over the range control panel assembly in under 5 minutes.


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

Dec 26, 2012 | GE Profile Spacemaker XL 1800 36 in....

1 Answer

My microwave quit working.


A microwave can be dead for many reasons.

It may be the fuse, which is usually located behind the grille, on the floor of the oven behind the control panel, between the door switches or on a small filter board in the back where the power cord comes in.

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

If it goes dead for a while during or after cooking then comes back on, the magnetron is probably overheating and causing the magnetron thermostat to open.

Then when it cools, it closes the circuit and allows power through again.

When checking thermostats, if it has a hood fan thermostat, that should read open, as opposed to the others, which should read closed or virtually zero ohms.

Also, the hood thermostat usually has thinner wires that are not black or white, like the other thermostats' wires.

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 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 it's intermittent or random, it may be a bad connection, usually on the control board or a loose fuse holder, or even an intermittent fuse.

Many Emerson microwave owner's manuals are available for free download here.

Even though yours may not be there, there might be one close enough to help you.

For more help from Emerson
visit here or get help using your appliance at 1-800-898-9020.

Get help locating an authorized servicer or parts at 1-800-695-0098.


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

Jan 10, 2010 | Emerson Microwave Ovens

1 Answer

Dead microwave!


Hi Kevin

If your microwave oven doesn't seem to work at all, check these:
Fuses Usually, when your microwave oven doesn't work it all, the internal fuse (thermal fuse) is blown. This fuse protects both you and the oven. When it blows, you need to have a qualified appliance repair technician replace it.

Door switch If the fuse isn't the problem, check the door hooks and the door-release button. When these are broken, the door switch doesn't activate, so the oven can't work.

If still you are unable to diagnose the issue then it is recommended to call a local repair center for this to get fixed as Microwave usually have high voltage even when it is turned off.

Please do rate the solution as FixYa and revert for further assistance.

Thanks
Rylee

Apr 24, 2009 | Kenmore 63672 Convection/Microwave Oven

1 Answer

Neff h7871


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.

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

http://www.microtechfactoryservice.com/cap_test.html
http://www.microtechfactoryservice.com/diode.html
http://www.microtechfactoryservice.com/mag_test.html
http://www.microtechfactoryservice.com/xformer.html


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

Jul 06, 2008 | Neff H7871 Convection/Microwave Oven

1 Answer

I have a hotpoint microwave MWHZ33 (combination grill/microwave/) When you press the buttom to "microwave food" within a few seconds the 8amp fuse blows in the internal power supply. Any...


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.

GE / Hotpoint models usually have about a 2-second delay between the time you hit Start and the time the high voltage section turns on.

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/cap_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: http://tinyurl.com/gv383

There should also be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting & testing.

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

Jun 30, 2008 | Hotpoint Microwave Ovens

1 Answer

Microwave fuse mystery


AHD_NZ

If it goes dead or blows the breaker 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 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.

Guest

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.

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

May 28, 2008 | Microwave Ovens

1 Answer

Microwave just quit working i thought maybe it was a breaker but it wasn't


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 magnetron thermostat to open. Then when it cools, it closes the circuit and allows power through again.

If it's intermittent or random, it may be a bad connection, usually on the control board or a loose 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 it goes dead or blows the breaker 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 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.

If you or a friend 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: http://tinyurl.com/yzjozk

You can usually find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383

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

Feb 20, 2008 | Frigidaire GLMV168K Microwave Oven

1 Answer

Microwave keeps blowing fuse


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.



Here are some links with info on part testing:



http://www.microtechfactoryservice.com/cap_test.html
http://www.microtechfactoryservice.com/diode.html
http://www.microtechfactoryservice.com/mag_test.html
http://www.microtechfactoryservice.com/xformer.html




You can usually find helpful exploded view diagrams and order parts by
entering your full model number here: http://tinyurl.com/gv383



Please write back with your brand and model number if you need further help.



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

Jan 03, 2008 | Microwave Ovens

1 Answer

MICROWAVE


First of all, it Roper may honor the warranty even though you're not the original owner. I'd contact them first: http://www.roperappliances.com/support/

If they won't cover it, here are some tips:

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.

This last issue is what I suspect in your case.

If you or a friend decide to look into it, we have critical safety information and disassembly information at our site, linked here on Fixya: http://tinyurl.com/yzjozk

You can usually find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383

We appreciate your thoughtful rating of our answer.

Nov 09, 2007 | Roper MHE14XKB Microwave Oven

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