Question about GE Spacemaker JVM1640SJ Microwave Oven

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My high power GE Advantium microwave is sparking

The unit was manufactured in 2000 and installed several years later and gets a lot of use in household. The last few times used family members have seen sparking when using using microwave or speed cook features...
no metal being used or paper with speed cook feature.

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Your problem is a common one. When you see arcing inside your microwave, it's because of food or liquid left in the cavity or on the wave-guide cover:

  • If the wave guide has any burn spots, replace it and clean the unit well.

  • If the cavity has any burn spots, spot-sand it smooth and touch it up with microwave interior paint.
Note… If there are any burn holes in the cavity, don't use the unit-seek help from a qualified appliance repair technician.

Posted on May 28, 2009

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Posted on Jan 02, 2017

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1 Answer

Why is my GE Advantium SCA2001 blowing the main fuse?


Yeah pal, you've not gone deep enough yet. You'll find a power wire bare inside the unit, pull it apart and tape that wire up to stop it from grounding out and blowing the fuse.

Aug 31, 2014 | GE Microwave Ovens

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GE Advantium oven SCA 2000 failed while microwaving. The sound has changed, less noisy, when it is started. Don't know if it is the blower, or if the cooking units--microwave or haligen are effected. ...


The fact that it stopped during cooking, then came back on after several minutes, tells me that the magnetron probably overheated and its thermostat (called the M.G.T. T.C.O. in the service manual here) opened until it cooled back down.

An overheating magnetron can be due to:
  • operating oven without cover(s) in place
  • wrong magnetron installed in oven
  • an old or otherwise failing magnetron
  • cracked magnetron magnet
  • improper power line voltage (should be 110-125VAC)
  • foods low in moisture (popcorn & bacon, e.g. - add 1/2 cup of water in rear oven)
  • failed or inoperable cooling fan or hood vent exhaust fan
  • deteriorating foam weatherstripping seals in air ducts or on outside cover
  • blocked air vents (dust, animal nest debris, insufficient free air space behind & around oven, etc.)
  • clogged or greasy charcoal filter or grease filter
  • blocked duct in hood vent exhaust
The fact that the oven is now quieter tells me that one of the high voltage components may have failed, or the high voltage section is not getting power.

It may be as simple as a failed top door switch (see this test file) or it may be a failed high voltage component, most likely the high voltage rectifier diode or the magnetron.

Here are some links you or someone you know can use (in order given) for test help, but read the safety warnings first:

http://www.gallawa.com/microtech/mag_test.html
(continuity can be good even though mag is bad!)


http://www.gallawa.com/microtech/diode.html
(if it is NOT shorted or burned looking, it's probably fine)


http://www.gallawa.com/microtech/xformer.html

You can find helpful exploded view diagrams and order parts by entering your full model number from the tag on the oven here.

Note that the magnetron has a five-year warranty. If it's under magnetron warranty, GE will send you the magnetron to do it yourself.

If the magnetron is bad, call them at 888-239-6832 with the full model number, serial number, and date of manufacture.


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

Jan 10, 2011 | GE Advantium 120 Convection/Microwave Oven

1 Answer

SN tag missing from pre-owned Advantium SCA1001FSS001


A missing or unreadable serial number relieves the manufacturer of all responsibility for any warranty, so all parts and labor cost will be on you.

For future reference, the service manual is here.

You can order parts and accessories here.

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

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

Jul 02, 2010 | GE Advantium 120 Convection/Microwave Oven

1 Answer

Ge advantium 120 powered off after a few minutes


I would call GE and explain the problem It may be a glitch in that model they may be able to give you the solution

Dec 29, 2009 | GE Advantium 120 Convection/Microwave Oven

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GE Advantium mircrowave oven


The problem with my Advantium was the fuse inside the microwave.Thanks to all of your fixya emailers ,I was able to change the fuse myself.I would recommend your site to all as you were a great help to me. Thank you, wlpasko.

Apr 09, 2009 | GE Advantium SCA2000B Microwave Oven

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Does the unit have power?If not check the back and see if ou can take off. Most unit have fuse back there.

Mar 13, 2009 | GE Advantium 120 Convection/Microwave Oven

1 Answer

Gibberish on the Front Screen


Try unplugging the unit for 30 seconds then plug it back in. The power outage may have been erratic and the MW did not reset properly.

Jun 16, 2008 | GE Advantium 120 Convection/Microwave Oven

8 Answers

Advantium Power Out


Same Problem - baking when all power appears to go out - but the AC power is plugged in and it is good: This is a known manufacture defect for the Advantium 120 model SCA1000. But, don't expect Sears or GE to take care of you. Short version: A Thermister that cost under $1.00 to manufacture and is known to be defective in this and other products needs replaced. But, the schematic, the GE Repair Center, and local GE repair center don't document things right and don't have the part. I won't buy GE again since they can't control the manufacture of fire safety standards in the Korean plants. This part will be defective after about 3 3/4 years of being plugged into the wall. So much for your optional 3 year warranty! Read the entier solution before trying this at home: 1. Remove the button front panel where the display is at. The ribbon cables to the front panel will allow room to peer inside. There is an envelope taped to the side with the schematic. 2 On the Schmatic Diagram (not the wiring diagram) on the bottom see CN6 - with two thermistor. Now look at your actual wiring. Guess what! GE did not even put the right wiring diagram in your maicrowave! GE shows a 3 wire device. Actually you will find 2 different 2 wire devices! Thanks GE, I took the part and the schemetic to an Authorized GE repir parts store. They checked with the GE parts manager in Dallas. After paying the GE shop $49.87 for the part order, after 6 follow up calls and 3 weeks, they send the wrong part on the schematic, not the part that I brought in that is actually in the oven. 3. The part that is bad in your oven is a thermister that cost about $0.14 to make. There are two of them. There is two wires that attach to them. If your unit overheats, it shuts down the power for safety. What happed is that one of the two thermisters is opened (defective). They are screwed on to the service to detect heat. The numbers on the can are PW-2R (PWC PW-2). One of mine measures about 44 ohms, the other exact one is open (infinate resistance). It is two wires attached to a round cylinder about 3/8" wide - a bracket holds it against a flat surface with a single phillips screw. Its purpose is to detect heat, if things get too hot, it switches from on to off. When they go bad - it stays in the off position. The effect looks as if you don't have your microwave plugged into the wall. 4. Ordering the PW-2R. GE has no record of them. Thanks again GE! HP laser Printers used them on one model. This little part caused all of the printers to go bad. From an internet article, it appears that HP Printers no longer use this part. In the case of GE, it is my opinion that they got the microwave safety approved then switched out parts for manufacturing. Where is Consumer Reports when you need them? 5. I am still searching the Internet for a substitute part. One Sears repair person quickly (and unofficially) told me that it would be the Thermister, a known problem before I started. This is my worry: If the part is not available, and repair persons are making quick fixes (for about $100), that they are simply cutting and tying the connector together. In otherwords, they are taking out the safety feature rather than replacing the safety part. If I find the part, I will post it on here. But, after a couple of hours of searching, and checking with various part shops it does not look too good. It does not take much searching on the Internet to see that the GE Advantium is widely known for poor manufacturing standards and about a 4 year life-cycle. When one considers what it cost... it appears to be rated as a bad investment to trust GE applicances. By the way - the schematic and other parts indicate it is manufactured in Korea.

May 16, 2007 | GE Advantium 120 Convection/Microwave Oven

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