Ge spacemaker just shut off like there is no power

I repair these on a regular basis. See http://www.microwavecontrol.com

Check the door switches. They are the number one cause of problems by far.

https://www.manualslib.com/products/Ge-Jvm3670wf-Profile-Spacemaker-Xl-1800-36-Microwave-Oven-1842926.html

Click link to download manual

I would check the house wiring to the appliance. There sounds like maybe a bad connection.

i have a ge 1800 model and it cooks fine but after awhile it shuts down and in about a hour it comes back on and ask you to set the clock.....

http://www.retrevo.com/support/GE-JVM1640SJ-Microwaves-manual/id/1080ci954/t/2/
In all likelihood the mangnetron has failed, or perhaps even the Power Supply. or a fault that is shutting the system down for safety reasons You need to have it serviced by a reputable service centre/man. Ensure you get a firm "Quote" before proceeding, and remember these days the cost of repair can equal or exceed the price of a new one.

Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

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GET THE OVEN NUMBER AND SEE HOW MUCH THE TOUCH PAD COST, SOME TIMES THE TOUCH PAD COSTS AS MUCH AS MICRWAVE OVENS NOW DAYS

sounds like a short in unit and if it is then must be taken apart to observe operation and failure spot. depending on the age GE has warranties that cover magnatron up to five years< most likely cause of problem> suggest calling company before procieding any further.

try another wall outlet.