Question about GE Spacemaker JVM1640SJ Microwave Oven

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Oven shuts down after a few seconds into cycle time for cooking

When the microwave is turned on, it shuts down and display goes blank, asks to reset clock and date before it'll work again...doing it more and more frequently now

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The magnatron (heating element) is located in the cavity behind the control. If it's leaking microwaves onto the electronics, this will occur. This means the Mag should be replaced and a radiation test run on unit.

Posted on Mar 15, 2009

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Try this first. The mag's little cooling fan probably broke loose and fell off the fan motor's shaft. The fan keeps the mag cooler. The machine shuts down when the mag gets too hot because the fan blade is just lying in there, Needs to be glued back on the shaft after the shaft is roughed up a little. NO other parts needed. I used contact cement to hold the fan to the shaft. Its located right behind the control panel. It's not difficult to repair.

Posted on Jun 12, 2013

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1 Answer

My microwave turns completely off... Touch pad and lights inside... I have to wait 10 seconds to 10 minutes and then it turns back on and will ask if you want to set the clock. Sometimes it will let me...


Hi Ben,
This has got to be an intermittent power to the control PCB problem. The control board asking to set the clock means that the CPU has been reset by losing power. First, make sure that the problem is not the outlet by plugging in a small lamp or digital clock to see if it works intermittently or resets. Leave it plugged in for at least 24 hours.
(If using a lamp, put in a small 20 watt light bulb or CFL).
It could also be a bad connection to or at the fuse holder in the microwave oven. If all of the wiring and connections look good, it's most likely a bad connection on the control PCB probably around the transformer on the board. Be careful.......

Oct 22, 2013 | KitchenAid KHMS2050SSS Microwave Oven

1 Answer

GE spacemaker microwave turns off during cooking and display goes black


Step 1:


Door Switch




If the microwave runs for a few seconds and then shuts off, a door switch might have failed intermittently. Check each of the door switches for any signs of overheating, arcing, or burning. Also check each of them for continuity. Replace any of the switches that is visibly damaged or that only has continuity intermittently


mwswitchtest2.jpg

Step 2:

Main Control Board




If the microwave runs for a few seconds and stops there may be a short circuit in the main control board. Check other components first, these boards are often misdiagnosed.


Touchpad and Control Panel




If the microwave runs for a few seconds and stops the touchpad and control panel might be defective. There are several other components that can cause this problem, be sure to check any other components before replacing this board.

Touchpad




If the microwave runs for a few seconds and stops the touchpad might be at fault. This is not common. Generally speaking, if the microwave display is working and some of the buttons respond correctly but some don't, the problem is with the touchpad.

High Voltage Transformer




If the microwave runs for a few seconds and stops the high voltage transformer might have an intermittent short. This is not common. Check other components related to the microwave symptom first.

Thermostat




If the microwave runs for a few seconds and stops the thermostat might be defective. Watch our video on testing thermostat

Step 3:

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Step 4:

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Step 5:

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Step 6:

use the DVOM tester and fix it. God bless you

Feb 08, 2013 | Microwave Ovens

2 Answers

Microwave oven was very hot and shut down with blank display.


For future reference, I always recommend that you turn on the microwave's hood vent exhaust fan whenever you're cooking on the stovetop or oven.

Depending on the brand and model, there will be either a thermal cutout or thermostat on or near the magnetron. There is also one on top of the oven chassis ceiling, but under the outer cover.

Either device may have opened.

In many brands there is 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.

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.

Accessing some components (especially the oven cavity thermostat / thermal cutout) for testing and possible replacement will require you to remove the oven from the wall.

If so, the installation instructions are very handy, and it's best to have two people since the microwave can be heavy and awkward.

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

You can download owner's manuals and installation instructions for several brands (including Amana, Frigidaire, Jenn-Air, Kitchenaid, Litton, Maytag, Roper, Tappan, Thermador and Whirlpool) here.
You can find links to helpful exploded view diagrams and part ordering help here.

I recommend that you bookmark that link to your favorites.We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer

Jun 20, 2010 | Jenn-Air JMC8127DD Microwave Oven

1 Answer

Ge spacemaker jvm1650sh01 starts to microwave then loses power


See this FixYa solution.

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

May 27, 2010 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Clock frequently goes blank and needs to be reset


You have a faulty display module due to one or more components leaking. Some models have a seperate display module that can replaced without the complete board having to be replaced. If not, the board needs to be replaced. You need to ask your spares suppliers that have info. on that model.

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2 Answers

Microwave shut off


try to checked the fuse if its blown.and replace a new one,check also the power cord.

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1 Answer

Samsung MU3250W Shut down


It could have been steam or humidity.

If this is an over the range model, be sure you always use the hood vent exhaust fan when you're cooking on the stove top.

Whether it's a counter top or over the range top, always be aware that the cooling fan is running when it's cooking.

When in doubt feel for air flow through the vents.

Good luck.

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2 Answers

Microwave shuts off after a few seconds


We are all in the same boat. It is very annoying. I think it is a sensor tripping.

Jul 23, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

2 Answers

Micro wave operates for a few seconds then shuts down, light goes out, but fan continues to work


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.

The oven will also strop after 22 seconds if there are certain problems with the inverter or magnetron.

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.

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