Question about GE Spacemaker JVM1640SJ Microwave Oven

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GE space maker model JVM1542 WF 002 has no display; appears dead. Checked the breaker downstairs; unplugged unit and replugged in to no avail

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

MicrowaveSvc
  • 9047 Answers

SOURCE: wife burned food

A microwave can be dead for many reasons.

If the fuse is good, it may be an open thermostat or thermal cutout / thermal fuse on or near the magnetron or the one 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: http://tinyurl.com/yzjozk

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

NOTE: 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.

At our site, we now have a video available showing how to remove a typical control panel assembly in under 5 minutes.

Please feel free to contact me directly if you need more help.

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

William E. Miller, AS-EET
prototech@usa.net
http://www.microwavedisplay.com

Posted on May 30, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: Reset for GE Microwave?

There's no other reset function. If a reset (unplugging) does not correct it, it will need to be repaired.

If it's less than one year old, it should be fully covered under warranty. I'd suggest contacting the manufacturer to get it fixed free. GE Customer Service is here.

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.

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

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.

I would suspect a blown fuse or the magnetron;s thermal cutout / thermal fuse.

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

Posted on Dec 28, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: JNM1541 GE Space Maker

If it's less than one year old, it should be fully covered under warranty.

I'd suggest contacting the manufacturer to get it fixed free or better still, if you've had it less than 30 days, I'd have the dealer replace it.

GE Customer Service is here.

It sounds like the door or door switch mounts are misaligned. It may have been damaged in shipping.

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

Posted on Jan 09, 2009

dmftrucker
  • 1922 Answers

SOURCE: GE SpacemakerXL, model #JVM1330BW 002, does everything but run

it could be a defective thermal fuse,h.v. cap,h.v. diode or the magnetron tube are defective

Posted on Oct 02, 2009

dmftrucker
  • 1922 Answers

SOURCE: I have a GE spacemaker JVM1542 that is not heating

sounds like its not producing any high voltage for the mag tube, check your h.v diode, then your h.v. capacitor for being open

Posted on Oct 11, 2009

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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.

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

I would suspect the fuse or magnetron thermostat.

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

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Nothing is working - it is dead - we have checked the breaker which is fine - we have unplugged and replugged it - any suggestions or is it time to get a new microwave? It is the GE Spacemaker 1000 watts


You have a blown fuse. There are about 5 reasons why this can happen. It can cost from 10$ if you do it yourself to 150$ to fix a microwave. So the cost of a replacement is always something you have to balance out. If you are technical, and own a meter, you can fix it yourself (with some parts)

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  • Make sure that the microwave is plugged into a grounded outlet. It must be a 3-prong outlet.
  • Make sure the clock is set.
  • Check to see if a programming sequence was entered. Sometimes improper programming or a program sequence such as delay start can cause the touch panel to be non-responsive. Unplug microwave or turn off house circuit breaker for 30 seconds. Plug back in, or reset circuit breaker, and try reprogramming unit.
  • Check the house circuit breaker or fuse box. If the microwave is DEAD and there is no display and nothing works- the problem could be a blown fuse or tripped breaker.

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GE Customer Service is here.

Good luck.

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

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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 (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.

We have critical safety & disassembly info (including a how-to video) at our site, linked here.

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.

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

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

Jul 14, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Wife burned food


A microwave can be dead for many reasons.

If the fuse is good, it may be an open thermostat or thermal cutout / thermal fuse on or near the magnetron or the one 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: http://tinyurl.com/yzjozk

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

NOTE: 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.

At our site, we now have a video available showing how to remove a typical control panel assembly in under 5 minutes.

Please feel free to contact me directly if you need more help.

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

William E. Miller, AS-EET
prototech@usa.net
http://www.microwavedisplay.com

May 26, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

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