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Microwave dead even though power works

Gexl1800 over the stove just quit working. i checked two fuses and i got a short on both. can you help GE Profile Microwave JES2251SJ02 - Only 13 months old, unit completely dead. Stopped working while heating cup of water. No power failure and outlet is fine. No lights, no keypad response!!!

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  • Brookline Dec 13, 2008

    It turned out to need a new fuse ($8.00 approximately). GE provided the service call and fuse - no charge as unit 13 months old.

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  • Microwave Ovens Master
  • 8,820 Answers

It sounds like the magnetron overheated and opened the thermal fuse on the magnetron.

This can be caused when the internal cooling fan is not running or by a magnetron that is failing.

When I say internal cooling fan, I do not mean the hood vent exhaust fan which you can turn on and off manually.

I'm instead talking about the internal fan which comes on automatically whenever you microwave.

It is vital that the cooling fan runs, or the magnetron will be destroyed.

There should 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.

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.

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

The magnetron will have a 5 to 9 year warranty. Your manual will tell you that.

You can download GE owner's manuals and installation instructions here.

If needed, GE may send you a replacement magnetron. GE Customer Service is here.

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

Posted on Dec 08, 2008

  • William Miller
    William Miller Dec 14, 2008

    In reality, fuses don't just blow for no reason.

    If nothing else, I would bet your fuse holder is loose or there was a stray power line surge.

    Maybe you got lucky (hopefully), and it was some kind of glitch, but I would bet it will blow again within 6 months or possibly far less.

    If that happens, please feel free to let me know (by replying here or directly) and I'll be very happy to help you.

    As for the negative rating, Ouch! That hurts.

    Good luck. Take care.


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GE oven is completely unresponsive but I have power to the plug that goes to the board. I see no obvious signs of damage, no burnt anything, not even a smell of burnt stuff.


Hi, Did you check the fuses on the stove. If it was built before and after model year 2000 there still should be fuses. If your stove is still under warrenty you may be able to get it fixxed for free. Good luck.

Feb 21, 2015 | GE Microwave Ovens

1 Answer

WHY MICROWAVE OVEN IS DEAD ,2000 MODEL bajaj


there could be many reasons for your microwave to be dead. First did you check if it has power coming to it? Is the plug out of the socket? Sometimes the power plug is behind the microwave and it is hard to see unless you slide it out and look. When you say dead, is the display light up? If so does it indicate PF (Power Failure)

Sometimes the internal fuse blows out because of a short, usually caused by the diodes being shorted or even the transformer or the magnatron tube itself. If you have any of these problems except for the fuse then I would recommend that you replace the microwave with a new one because yours probably wouldn't pay to fix.

Good luck,

Marty

Jun 04, 2014 | GE Spacemaker JVM1640SJ Microwave Oven

2 Answers

I have a ge spacemaker above stove microwave mdl# jmv1652sh and it has quit working.Ii has no power what so ever. I replaced the fuse and it still will not power up. Is there anything else that will...


hi

Look for a fuse that looks like an automotive fuse, the glass tube type, accept the microwave one looks gray or brown instead of clear glass.

Carefully, without touching anything, pull the fuse out and check with multimeter to see if it's good. or Just replace it with another fuse rated at 120 volts. Put the cover back on, put screws in, plug it in and Hopefully you are done.

You can also check the plug to see if the wire are not loose from it.

Thanks


Aug 07, 2010 | GE Spacemaker JVM1640SJ Microwave Oven

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

Ge pvm2070 shut off and now will not come on


My PVM2070 Spacemaker Microwave quit working & its DEAD. I checked circuit braker, unplugged unit, checked power is ok, open/shut door, pushed very sensor buttons; its DEAD. Help??

Nov 09, 2009 | GE PVM2070SMSS Microwave Oven

1 Answer

GE JES1344SK01 countertop microwave, no power


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 TCOs or thermostats, if it has a hood fan thermostat, that should read open, as opposed to the others, which should read closed.

If the cavity thermostat needs to be checked or replaced you'll need to pull the oven from the wall, in which case you can download GE owner's manuals and installation instructions here.

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.

There should 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.

You can usually find helpful exploded view diagrams by entering your full model number here. Once you have the part numbers, though, I would suggest ordering parts here at a much lower cost.

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

Dec 16, 2008 | GE JES1344SK Microwave Oven

1 Answer

Microwave dead even though power works


Is it dead, meaning no display, no light when you open the door and no beeps when you press a pad on the keypad? Is the outlet working?

A microwave can be dead for many reasons.

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

Ifthe 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 / bodyof the oven.

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

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

Whenchecking TCOs or thermostats, if it has a hood fan thermostat, that should readopen, as opposed to the others, which should read closed.

TheTCOs you need to be concerned usually with have all black or whitewires only. Please reply with photos of your interior if you have questions.

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.

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

If it's intermittent or random, it may be a badconnection, usually on the control board or a loose fuse holder, oreven an intermittent fuse.

You should do a continuity test onthe fuse while it's in the holder (with the microwave unplugged, ofcourse) 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 meterleads against the ends, it can allow internal contact to be made andmake a bad fuse appear to be good.

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

Thereshould also be a "mini-manual" hidden inside the unit behind thecontrol panel or hidden on the left side behind the grille, which isvery helpful when troubleshooting & testing.

If you'd want to scan and e-mail or copy and fax the mini-manual (or atleast the "schematic diagram page) to me, I'd be happy to make moreprecise suggestions.

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.

Nov 01, 2008 | Whirlpool GH8155XM Microwave Oven

2 Answers

Ge spacemaker microwave


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, or even an intermittent fuse.

You should do a continuity test 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 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 it has a hood thermostat, that should read open, as opposed to the others, which should read closed.

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

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, which is very helpful when troubleshooting.

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

Apr 22, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

2 year old ge profile spacemaker Microwave lost all power


Inside unit is a cylinder fuse which can blow for a number of reasons. External cover needs to be removed to access. If you are confident in doing this and can find & check the fuse then it would be my first guess. If fuse is OK then you will need to have repaired. If fuse isblown & you replace then it blows again,you will need to have repaired. regards

Jul 25, 2007 | GE JVM2070 Microwave Oven

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