Question about GE Spacemaker JVM1640SJ Microwave Oven

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Microwave oven it won't cut off. Open the door and it cuts off. Close it and it starts running again. Everything else works. While it is on you can make a cooking selection, hit start, it runs allotted time then beeps, but doesn' cut off.

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Re: microwave oven

Quite often this is due to a bad door switch. Opening the door while cooking (without first hitting the STOP pad) is the primary cause of door switch failure. If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info (as well as a text file which helps in diagnosing and repairing door switch problems) at our site, which is linked at our listing here on FixYa: You can find helpful exploded view diagrams and order parts by entering your model number here: Feel free to contact me directly if you have further questions. I appreciate your thoughtful rating of my reply.

Posted on Oct 05, 2007

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1 Answer

Why does my microwave keep running/heating until I open the door? what can i do about it?

Sounds like a problem with the control panel. Further diagnostic testing would be required, however, as there can be other causes.

May 10, 2014 | Oster OGB61101 Microwave Oven

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Everything works on the microwave, the fan, the lights, the clock except it will not cook. You press start and it runs for a split second then cuts off. If you press popcorn it says error door open.

It sounds like a fuse. With the door fuse blown it will cause the microwave to not operate all all. It is a small thing to swap over. Its a bit like a car fuse. There will be a few different ones but all have a different purpose. Not sure if you are handy or a local electrical handyman can do the job.

Mar 16, 2014 | KitchenAid KHMS2050SSS Microwave Oven

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Blows fuse when you open door

Be-safe, Un-plug your microwave oven ,

Open the microwave cover ,
Close and open door few times to check the door latch(es) and switch(es).
Door switch assembly may has one or more micro switches.( Most switches are black or grey and about 1,25 in long X 3/4 in wide X 5/6 in thick with two or three wire connections).
Making sure door latch close and open these micro-switches.

You can hear the switch "clicks" when small switch pin or lever is pressed.

Sometime these door micro-switches pin or lever get stuck or broken.

You can take couple pictures before remove wires or micro switches

You can buy these switches for about 3-7 dollars online. Some web sites have video showing how to check them. (Using Volt-Ohm meter)

Jan 24, 2014 | Magic Chef MCO160UB Microwave Oven

1 Answer

Won't run

see this causes and fix it. God bless you
No Lights or Power, Unit seems Dead First check is the main fuse of the unit. On countertop units, you will need to take the shell off. The fuse will be close to where the cord comes through into the unit. OTR units, this main fuse is usually behind the control panel or possibly behind the vent. Usually the fuse is obvious if blown, otherwise test with an OHM meter, if open, replace fuse.
Some brands will also have a thermal cut-off fuse in the incoming voltage line to the control board. Older Maytags and Samsungs have this fuse in it. This thermostat looking fuse is usually above the oven cavity somewhere under the outside shell. Sometimes you can get to it through the vent of OTR models. Test with an OHM meter, replace if open.
Test the switchs door see diagram


Oct 10, 2012 | Frigidaire FMV156DC Microwave Oven

1 Answer

Fan goes on when we open the door. Goes off when we close the door. Any fixes?

This is a malfunction and must be checked to confirm if the microwave itself is working when the door is open which is dangerous. The reason can be due to a short in the door lock switch or a mis-alignment of the door switch. Also a malfunction of the main board, relay cannot be ruled out.Remove power and close the door with a gentle force , few times so as to disengage any lock switch defect. now try if the fan cuts off or else it is best to take opinion as you will need to disconnect the HT section to check this fault to prevent any stray microwave.

Nov 30, 2011 | Frigidaire PLMV169DC Microwave Oven

1 Answer

My microwave cooking time is complete but when i open the door microwave starts up again and doesn't stopm until you close the door

The fan runs when you have a faulty/contaminated door switch.
Check the door switcxhes.
Hope this helps.

Oct 31, 2010 | GE JE1540 Microwave Oven

1 Answer

Microwave continues to run when the door is closed

Did you pressed the stop/clear button? or disconnect the micro.. for a couple of hours and try again?

Apr 04, 2009 | Microwave Ovens

1 Answer

Our Microwave keeps running unless we give it a whack!

Hi firstly to see if it is producing energy, buy some 5mm light emitting diodes from an electronics store. cut off the leads close to the plastic body.
place in microwave and put on cook for max 10 secs, if the led's light up you have microwave energy, shut off the oven as soon as they glow otherwise you end up with a mess.
If you have energy then your problem is most probably the door interlock micro switches which after time do not operate properly. let me know the results and we can go further.

Feb 23, 2009 | Danby DMW1153 Microwave Oven

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