Question about GE Spacemaker JVM1640SJ Microwave Oven

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GE Spacemake XL1400 Display

The display is all asteriks and none of the buttons work.  The fuse is OK but don't know what else to check. This happened when an electrician was putting in a new subpanel to our main box downstairs.  None of the other appliances were affected.

 

Posted by mlhoffmann on

  • prodyver Oct 25, 2008


    Hi! I do have the same problem and i tried to do your advice regarding with my GE Spacemaker XL1400. The display is all asteriks and none of the buttons work. The fuse is OK but don't know what else more needs to be checked. thanks.

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Anonymous

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This may seem strange but my microwave ended up doing the same thing..the solution courtesy of another website pointed toward RF interference from that faulty magnetron ge is famous for...what cure it was piece of the static paper used to protect computer parts..check it out by opening the side panel and leaning it away from the magnetron.mind started up immediately no problem ..got a piect of the static paper,fashioned it to fit...and problem solved

Posted on Oct 19, 2007

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Anonymous

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Just did what fixit60 recomended and it worked.

Posted on Oct 28, 2008

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My Advantium 120 microwave shows the time, but none of the buttons respond to being pressed.


Try turning it off at the power switch,leave off for several seconds then switch it back on, it may reset the control unit, if not take it to a repair outlet,

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My microwave intermittently blows the downstairs sockets


If it is tripping the breaker when you just close the door, I think it might be one of the door switches that the latch activates. There are usually 3 switches behind the latch holes in the microwave. One is a safety monitor switch that is suppose to blow the internal fuse if the microwave is started and the door is not closed properly. It should blow the micro fuse before the house breaker unless you have a weak house breaker. It will do the same thing if start is pressed and it senses a problem with the door. You say the problem is intermittent so I assume you do get it to work at times so I'm guessing most of the microwave is OK. I'm pretty sure you have a door switch problem--- either out of adjustment ---or 1 of them going bad.

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Blowing breaker


In general house hold circuit breaker of the house is 15 Amps or 20 Amps.

Either you have defected (weak) circuit breaker and wiring or bad Microwave oven.

The 99.99 % house hold Microwave ovens pull less than 15 Amps. They may have internal ceramic 15A fuse or 15 Amp internal circuit breaker.

To isolate your problem:

1. Plug your Microwave oven to different areas (different electrical circuit) if the different circuit breaker still trips... your Microwave oven has a short - Most of them has a small ceramic fuse 15 amps fuse.-also check some inter lock switches at door .

2. If the Microwave oven works Ok then you may have:

2a. You may overload the existing electrical circuit, try to unplug some other appliances

2b. You may have bad electrical outlet receptacle (Replace it with the same type , - may need helps from licensed electrician)

2c. Weak or defect house hold circuit breaker. (Replace it with the same type , brand - may need helps from licensed electrician)


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1 Answer

Buttons on microwave


testing every step and fix it. God bless you see the diagram attached

Microwave Buttons Don't Work
Touchpad and Control Panel


If the microwave buttons don't work the touchpad and control panel assembly are probably defective.
Touchpad


If the microwave buttons don't work the touchpad might be at fault. Generally speaking, if the dishwasher display is working and some of the buttons respond correctly but some don't, the problem is with the touchpad.
User Control and Display Board


If the microwave buttons don't work the user control and display board are most likely defective and will need to be replaced. If some of the buttons work and some don't, it is more likely a touch pad problem and the touch pad will need to be replaced.
Main Control Board


If the microwave buttons don't work the main control board is most likely defective and will need to be replaced. If some of the buttons work the touch pad is likely the problem. If none of the buttons work the problem may be in the main control board.1_24_2013_5_23_47_pm.gif1_24_2013_5_24_54_pm.jpg

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1 Answer

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All you have to do is locate the fuse, and then check for continuity, or measure ac current on both side of the fuse. If ther is 120vac on one side and none on the other side then it is blown.

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did you check the fuze in the microwave or the house?

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1 Answer

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The control panel has built-in surge protection, and the high voltage probably tripped that. It will have to be repaired, which we do nationwide for only $39.95 postpaid. By rights, I would say the electrician should be the one to see to the repairs, including removing the control panel assembly to send in for repair. We have *critical* safety & disassembly info at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk You can find helpful exploded view diagrams by entering your full model number (without the suffix) here: http://tinyurl.com/gv383 Please let us know if you have any other questions.

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