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The oven experienced intermittent starting now it won't come on at all. What can we do We have checked fuse etc.

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Check for a faulty door interlock

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2 Answers

Does not heat up


Check this video it goes through checking and replacing magnetron, capacitor, diode and fuse. It will be one of those. Check the safety instructions in the description.

Aug 10, 2014 | DeLonghi Microwave Ovens

1 Answer

NN 8501V Panasonic Dimension 4 Convection/Microwave oven 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 several 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.

Apr 16, 2013 | Microwave Ovens

1 Answer

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.

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.

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

The oven is totally dead. No light, fan etc. Replaced fuse internally, found no current at the fuse. Outlet has 120 v. Oven was run empty prior to going dead! Any thoughts?


check power between power cord connection and inernal fuse,start at cord connection and work way to fuse conn.eliminating possibe problem area

Oct 11, 2010 | Maytag MMV5000 Microwave Oven

1 Answer

Need help with my Gold Star microwave.


The owner's manual won;t tell you that, only the repair or service manual.

While we don't have that exact model, we do have the manual for a similar model uploaded here.

A microwave can be dead for many reasons.

It may be the fuse, which is usually located behind the grille or on the floor of the oven behind the control panel or between the door switches.

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.

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.

You should do a continuity test on the fuse while it's in the holder (with the microwave unplugged, of course) then turn the fuse by hand or take it out and put it back in, then test it again.

If you remove the fuse, then press the meter leads against the ends, it can allow internal contact to be made and make a bad fuse appear to be good.

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.

For Goldstar / LG / L.G. help, call 1-800-243-0000 (M-F, 7am-8pm CT, Sat 8-5 CT) and choose the appropriate prompt from the menu or visit here.

Goldstar owner's manuals can be downloaded here.

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

Aug 06, 2008 | Goldstar MV-1515 Microwave Oven

1 Answer

Fan coming on for no apparent reason


The pushbutton panel is most likely failing, part cost around $60.00 if you want to replace yourself. (It's not that difficult). I'm not sure why, but this type of pushbutton panel (referred to as membrane switches) have been experiencing a high failure rate over the past couple of years. Symptoms include buttons not working at all, intermittent beeping sounds, turning on by themselves etc.

If you need further assistance, let me know
Regards,
reg501

Jul 07, 2008 | Kenmore 63792 Microwave Oven

1 Answer

My Panasonic Microwave Oven will not turn on. It is model: NN-T694. I have only used it for two years and not very much. It was working fine this morning; however, when I tried to use it for lunch, it...


A microwave can be dead for many reasons.

It may be the fuse, which is usually located on the floor of the oven behind the control panel or between the door switches.

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.

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 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.

You should do a continuity test on the fuse while it's in the holder (with the microwave unplugged, of course) then turn the fuse by hand or take it out and put it back in, then test it again.

If you remove the fuse, then press the meter leads against the ends, it can allow internal contact to be made and make a bad fuse appear to be good.

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.

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

Jul 05, 2008 | Panasonic Microwave Ovens

1 Answer

Microwave oven - how to replace fuse


You can usually find an exploded view by entering your FULL model number (721.66319500) here.

But there's usually a reason the fuse blows!

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

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

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.

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: http://tinyurl.com/yzjozk

Please write back with more details if you need further help.

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

May 27, 2008 | Microwave Ovens

1 Answer

Microwave oven inoperative


check high voltage section, check magneatron, diodes, etc.

Nov 02, 2007 | Sharp R-1480 Microwave Oven

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