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Replace Magnetron in GE Microwave (Spacemaker)

Updated on September 6, 2012

Replacing magnetron tube in Microwave

Recently my GE Space-maker Microwave (7 years old, model JVM1631BB) stopped heating food. When I start it works as if it is heating food, but it was not heating food. After doing some research online I found that it is mostly fault of magnetron tube inside Microwave. And also found that there is extended warranty on that one part for a total of 10 years.This I found in the user manual which I downloaded from GE website (see the link below).

Initially I scheduled service appointment with GE service department. When I started to dig around how much it would cost for GE guys to fix the problem, I found that it would cost me more than $220. Wow !! I was shocked, brand new Over the Range Microwave can be bought for $200 and above. After some more research over the web I called GE parts department (888-239-6832) they took serial number of the Microwave and were happy to ship me the magnetron tube part. Part arrived within 2 business days.

After the part came I was not sure what it takes to replace the part in Microwave. I have decided take a shot at replacing the part myself, with help from a friend. I am happy to report that we have successfully replaced magnetron tube in the Microwave. It was not easy, it took about 2 hours to take down Microwave, open everything replace it and put it back. If you are not motivated to save some bucks then you should not attempt this.

Here are the steps we took to replace it

Warning: I am not an electrician or repairman, following steps are from my experience. You should be careful while handling capacitor and other parts.

  1. Unplug Microwave at least few hours before
  2. Remove Microwave from above oven range by somebody holding Microwave from ground unscrew the screws from cabinet
  3. Remove top cover of Microwave
  4. Make sure to keep screws correctly in a place you remember what goes where
  5. Make sure capacitor is discharged, GE manual inside Microwave says capacitor will discharge within 30 seconds once it is off. As a precaution check the voltage in capacitor to make sure there is no electricity
  6. Remove other panels around magnetron part
  7. You need to remove lot of connecting wires, should be careful to note down what goes where
  8. If possible take digital photos to refer back when you put everything back together
  9. You may need to remove transformer to easily remove and replace Magnetron. If you can't remove Magnetron easily then remove bottom panel of the Microwave and remove transformer
  10. Now it should be easy to remove magnetron
  11. Replace new magnetron and screw it. We had to put one outside part from old magnetron to new one because new one was missing that. Check to make sure both old and new one are exactly the same
  12. Make sure put all wires properly back
  13. Now put transformer back and screw it
  14. Put capacitor panel in place and screw it
  15. This might be a good time to test the Microwave to make sure it works fine now
  16. Now cover the top panels and start to screw everything
  17. Once everything assembled put the Microwave back above range put screws from top

Update 06/10/2010 - Please read the following important thoughts from Bigluke...

(1) First, the GE repairman was extremely nice and helpful, and told me that when the magnetron goes out, the diode almost always goes out too. So, go ahead and replace the diode, which is not covered by warranty. As others said, it is a black wire that goes into the capacitor and connects at the other end to the frame.

(2) BE CAREFUL when putting everything back together... Stuff all the wires well inside the microwave. I did the repair myself, and it worked for about five minutes, then started making the same noise. Turns out I did not stuff the wires that run from the magnetron to the capacitor and the other equipment in far enough, and they touched the microwave frame when I put it back together. When I used the microwave, the wire actually burned through it's own insulation bc it was sending current through the microwave frame. Luckily, no one was hurt. So, stuff your wires in there far. It amazes me that they would use such thin insulation that this could happen...

Update on 09/06/2012


It appears GE is not sending magnetron lately to the callers and insisting that GE technician come to repair the broken microwave. As some of readers have suggested you can still buy magnetron from outside which fits your model and you can replace it yourself. This will still save hundreds of dollars on new microwave.


Photos of Microwave inside

Microwave Front and inside
Microwave Front and inside

Magnetron and transformer

Magnetron cover

Top portion of Magnetron
Top portion of Magnetron

Comments

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    • profile image

      Maryllin 2 years ago

      Thank you very much for this article. It helped quite a bit. I am also another one that prefers not to throw away an entire appliance just because of a faulty part that can be replaced.

    • manjuvreddy profile image
      Author

      manjuvreddy 4 years ago from USA

      Hi davidagalvan, I am glad this article helped you save some money ..

    • profile image

      davidagalvan 4 years ago

      Just chiming in to say thanks for posting this. My GE Profile SpaceMaker XL1800 had this problem. Reading the comments gave me the confidents (and the links to the low-cost magnetron) to make the repair myself. Glad I did, as the microwave is working fine now! I always prefer not to throw away an entire appliance just due to one faulty part.

    • manjuvreddy profile image
      Author

      manjuvreddy 4 years ago from USA

      Hello ChristopherRobins, Looks like this maybe more than magnetron damage. I am not sure what exactly might be broke. Try fixing fuse, diode and see if that revives the microwave. Best of luck.

    • profile image

      ChristopherRobins 4 years ago

      Hello Manju,

      I've read most of these posts but did not come across one issue. Btw, the GE 1800xl was made in 2007 and is lightly used.

      I had a small fire, smoke inside it last night but thankfully caught it in time.

      No house breakers tripped, however no lights on the front panel come on, it's just dead. Is it toast (pun intended) or can it be fixed fairly cheap?

      Mag is under warranty, but I don't know if there was any other damage.

      Fuse, diode?..... Is there a reset switch.

      Please help. Thank you!

    • profile image

      Ron 4 years ago

      This post has been very helpful. I replaced the magnetron and diode and the microwave is still not heating. I checked to make sure the parts are right. Has this happened to anyone and what did you do next?

    • profile image

      jetmech77 4 years ago

      Thanks for the part numbers Kevin,

      My Spacemaker XL1800 works better than ever now!

      So to sum up my magnatron was black, melted and toast, I checked the Diode and it was was fried as well. So for future people seeking to repair their microwave, please check or simply replace the HV Diode.

      Someone mentioned making a shield to protect the control board from microwaves to in-turn extend the overall life of the magnatron. I took a plastic sandwitch bag cut a piece of grocery bag (folded in half, to make a good insulating layer if the plastic were ever to melt for some reason and in the middle of the paper sandwich I put a square of aluminum foil. I also put a square of aluminum foil inside the wiring diagram folder. The upper shield securely fits between the upper and middle brace over the inside of the control board. I am 100% certain it will help, but where its location in the microwave is, it will not cause any problems (foil is well insulated to prevent arcing).

      I ended up going to eBay and bought a replacement Sanyo Magnatron OM75P (10) for $26 shipped and the replacement diode I bought off Amazon for $6. So my total cost is around $32. There are several other Magnatrons on eBay and lots of Diodes on Amazon.

      Thank You Manjuvreddy for keeping this site going, The site and everyones inputs have helped my family save hundreds of dollars on a microwave replacement.

    • profile image

      Kevin from Cali 4 years ago

      Just now returning from my bro-in-laws house. We did it! His GE Spacemaker XL1800 works perfectly now. It took us a little over two hours. Best part - he bought me a six-pack.

      Jetmech77 asked me about the parts I got from Genuine Appliances. I could not figure out which parts to get just from looking at their website, so I called, gave the model number - they looked it up. I'm sure it depends on your model number ... For me - it was:

      10QBP0230 ERP Microwave Oven Magnetron $38.71

      11QBP0237 Microwave Oven Hi-Volt Diode $11.05

      Shipping was $9.43, no tax. Grand Total: $59.19 + a 6-pack

      Sounds like I didn't need the diode - oh well - no biggy.

      Thanks again to manjuvreddy and all who post here. You have helped to save my family hundreds of dollars :)

    • profile image

      jetmech77 4 years ago

      Well pulled the Magnatron, it was black and melted, so I will change out the diode and Magnatron and let you guys know when it works.

    • profile image

      jetmech77 4 years ago

      Thanks Manjuvreddy, I did buy the Diode on Amazon for around 6 dollars. I have not purchased the Magnatron from genuineapplianceparts.com yet. My XL18oo does heat albeit slightly, so I am not 100% sure that it is the Magnatron?

    • manjuvreddy profile image
      Author

      manjuvreddy 4 years ago from USA

      jetmech77, you don't need to buy diode. Only if it is broke you need it. But on the other hand if it is not too expensive and if you can save on shipping by buying both together then consider buying it.

    • profile image

      jetmech77 5 years ago

      Kevin from Cali, can you please post the part numbers you just purchased on http://genuineapplianceparts.com? My microwave like everyone else will no longer heat. I would like to buy the parts now as well thankyou. I am not sure, do we really need the diode? Thanks!

    • profile image

      Kevin from Cali 5 years ago

      Me again - I posted earlier about a success in replacing the magnetron in my microwave. Still works great. Now my bro-in-law's GE Spacemaker XL1800, manufactured in May 2005, is not heating food. GE won't honor the warranty on the magnetron, and insists on sending a guy out. Forget that. Just ordered a magnetron and diode from http://genuineapplianceparts.com as suggested by RoswellDave in an earlier post. Parts + shipping = $59.19. Great service. I'll let you all know in a week or two how it went.

    • profile image

      5 years ago

      Just had the tech come and made a case that he would have to come back w another tech and gave an outrageous price of $345 to change magnetron. gE is blatantly committing fraud on their warranty by forcing the GE tech visit who does not come prepared to the job...bad biz strategy...will try to call tomorrow to see if they will send the part...36" ge profile over the range jvm3670 series

    • profile image

      martellawintek 5 years ago

      hello there tom i shouldnt give it out but here is the web address

      and some info , they have 20% discount now,tell them martella newins put you on

    • profile image

      Fjgggmr 5 years ago

      GE MAKES CRAP MICROWAVES MAGNETRONS

    • profile image

      April 5 years ago

      The consumer relations department, Justin extention 3743, said there's only a 5 year limited warranty. What happened to the 10 year warranty? Am I wrong?

    • profile image

      April 5 years ago

      Thank you all for posting. I have experienced the exact same "service" and am now on the phone trying to get their consumer relations department to put it in writing that they will not send the parts without me buying their technician's time to install it. This is progress given that they are just now admitting that the part is under warranty. haha IN the meantime, a local service company has agreed to order an off brand replacement part for the magnitron tube and install it all for $150.

    • profile image

      unsatisfied GE Customer 5 years ago

      tried again serveral times, no go... tried changing the diode only and did not help, got the diode from amazon and the magnetron too is available for $130. service call is $79 + parts cost + whatever. i am guessing that the first visit they will trouble shoot and charge me again for the subsequent visit to repalce it, so i think it is easy to just buy the magnetron and replace it, the magnetron is not listed in the available parts for my microwave.

    • profile image

      Bob 5 years ago

      (Sept 10, 2012) Same experience as previous few comments. Called GE @ 888 239 6832, transfered to 800 432 2737. Magnetron is under warranty but I am told they will not honor the magnetron warranty unless a "GE certified technician" orders it and comes to install it. They will not send it to me. Spoke with James ID # L689296. This was due to "company policy". A few years ago, thanks to this thread, I successfully ordered, received, and repaired the magnatron in another home owner's GE microwave in my neighborhood. I am disappointed that GE now refuses to honor their warranty. Obviously hiring a technician is not smart money-wise and GE knows this. Very clever...and shady. I suggest that others who have this issue note the details of their case and name/ID of the person they speak with so that legal action can be pursued.

    • profile image

      unsatisfisfied GE custoemr 5 years ago

      Model PVM1870SM1SS, called 888-239-6832 was transferred to 1-800 432-2737. Told them that mine was a new house purchased in 2008 but my GE Profile Microwave died about a week ago and its the magnetron. Since I have a tech coiming to fix my GE Profile dish washer that is under a recall that I will ask him to fix the microwave when he is there, they refused that they no longer send out magnetrons and have to do separate service call for the mircrowave since the service person coming for recalls is different. after making the service calls, it seems that teh tech will come with the magnetron and they will not ship directly to my home. Will keep trying again I guess!

    • profile image

      Nan 5 years ago

      Only the GE Profile microwaves have the 5 or 10 yr warranty on the magnatron. Mine is a GE spacemaker JVM1650CH02 and has only the 1yr limited warranty. So I will be looking to hopefully get a part like rosswelldave did!

    • profile image

      Todd P 5 years ago

      Ordered mine from Martin Microwaves for $50: http://microwaveglasstrays.com/shop/index.php

      Ordered on Thursday, received on Saturday. Took a little over an hour with two people. Seems to work so far.

    • monicamelendez profile image

      monicamelendez 5 years ago from Salt Lake City

      Very brave!

    • profile image

      Michael clermont fl 5 years ago

      @roswelldave, hi Dave, I don't understand , on genuineappliancepart.com, magnetron cost is around 120.00 , you writte you get one for 35,00. It was a generic? do you have any part # for it?

      Thanks for your help.

    • profile image

      Michael Clermont Fl 5 years ago

      Just called GE for the same case 888 239 6832, call has been transfered to 800 432 2737, after 15mn they agree the magnotron is still under warranty YES!!!!!! ........but they replaced the magnetron for free only after GE technician has tested the micro wave (79.90$ not covered by warranty) and only if GE technician replace the part , so second visit for 79.90 + labor this will makes 2 times 79.90 + a least 1 hour labor, so approximately 200........ bundle of crooks.

    • profile image

      cbpete 5 years ago

      Good job Red. i would like to do the same and am contacting iowa attorney general to see if I can get similar results. I told ge I was going to do this and gave them the option of sending me the release you signed and they said they have never done that. If you have any copies of that and any other documents that might be usable I would be interested in them

    • profile image

      Red 5 years ago

      Filed complaint w/the local office of the consumer fraud div. of the NY state atty. general office (failure to honor warranty).

      Took a few weeks but GE caved pretty fast according to the woman who handled the case for me.

      Magnatron sent as long as I signed waiver to hold GE harmless for any subsequent failure/damage or/from microwave. Since I am 7 years into the 10 yr. warranty I can live w/that.

      Bitch long and hard people. GE made friends and kept customers happy w/the previous no hassle replacement policy, granted they probably sent out magnatrons to some who may have only needed a diode, fuse or sensor but they need to HEAR it from people that this new policy will cost them FAR more than a few $18 (their cost) magnatrons sent out that were not needed. If their policy is alienating you as a customer TELL them LOUD and clear.

    • profile image

      john 5 years ago

      As of March 21st 2012 they have stopped sending Magnatrons out and you now have to pay for a service tech to come out unless it's under warrenty. Bogus!

    • profile image

      Marc 5 years ago

      Just got the run around from three different people at GE. They all refused to send the part. Such a pain in the ass to have to pay for a part that is under warranty. I think I will just buy a new LG or Samsung microwave and be done with it. GE appliances are a piece or crap and their service is even worse.

    • profile image

      no longer GE customer 5 years ago

      March 2012 - GE does not support customers

      I have GE microwave with a failed Magnetron. It is emitting large sparks. Upon removing the magnetron I found that the sparks left residue where they are leaking from the cylindrical shaped piece on the end of the Magnetron.

      The Magnetron is under warranty.

      BUT

      GE WILL NOT HONOR THEIR WARRANTY AND SEND A MAGNETRON.

      GE HAS SENT OUT HUNDREDS OF MAGNETRONS TO CUSTOMERS - SEARCH ONLINE TO SEE THIS IS TRUE.

      I called GE PARTS, GE support and GE consumer relations departments. They changed their policy two weeks ago and require a service technician to replace the part.

      THE COST IS $220 FOR THE REPAIR TECHNICIAN.

      Since I already removed the part the service technician would have to put in 3 screws and plug in the cable...FOR $220...I PAID $229 FOR THE MICROWAVE NEW!!!!

      DO NOT BUY GE.

      DO NOT BUY GENERAL ELECTRIC.

      GE DOES NOT SUPPORT IT'S WARRANTIES UNLESS YOU ARE WILLING TO PAY THE SAME AMOUNT THAT YOU PAID FOR THE PRODUCT!!

      Further research:

      GE Microwaves can spontaneously turn on and start a fire - see Consumer Reports web page here:

      http://www.consumerreports.org/content/cro/en/cons...

      Further evidence GE retroactively changing their warranties:

      http://www.complaintsboard.com/complaints/ge-calif...

    • profile image

      RoswellDave 5 years ago

      After many calls, I gave up on getting a warranty replacement magnetron from GE for my Spacemaker 1800XL. I ordered a $39 magnetron and a $14 diode from http://genuineapplianceparts.com. I called the toll free number on the web site and gave the nice gentleman my GE model number. He looked up the correct part numbers, gave me some options, and took my order over the phone. He clarified a few questions I had and was very helpful. (Now thats what I call service!) Today, I finally got a chance to uninstall the microwave from the wall/cabinet. Followed the directions on this site and on a couple of youtube videos. I did not have to move/lower the transformer, but there was a plastic duct/cover around the magnetron that took a bit of fiddling. I was finally able to get the old mag out by removing a sliding rear panel and a lot of wiggling of the mag and ductwork. The new parts fit and work well. GE's ten-year warranty on these faulty mags is now just a method for generating expensive service calls.

    • profile image

      Jignesh Shah 5 years ago

      Hi Preston,

      I have tried calling GE Parts department (888-239-6832) 3 times (talked to Angela, WIllis, Daniel) and they refuse to send me the Magnetron tube, though i have GE service also scheduled. If you don't mind, can you give me your order #? The last rep said that if she can confirm that it was shipped out to consumer directly, she may be able to help me. (BTW the service call will be at least $200 excluding part, so I am trying to save some money here).

      If I can order it via some other site (non-GE), I don't mind doing it. Need site address to order the part.

      Thanks,

      Jignesh

    • profile image

      Preston 5 years ago

      THANK YOU! I just used your method and it worked flawlessly!

      FYI: I found this YouTube clip to be a helpful companion: http://www.youtube.com/watch?v=eHkA0it4A6A

      Jignesh: I had the same issue with GE not wanting to send me a new magnetron without a technician being there. I just sneakily told them that I had "already scheduled for a technician to come out". Which is true, but I decided to cancel the appointment when I realized how easy it was to replace myself.

    • manjuvreddy profile image
      Author

      manjuvreddy 5 years ago from USA

      Hi Jignesh, I have mentioned another phone # in the post above and that # is 888-239-6832. Try this # and see if you can get the part from GE.

    • profile image

      Jignesh Shah 5 years ago

      Hi,

      My GE Spacemaker JVM1650 stopped heating this morning; based on this post I called up GE parts (800-GE-CARES) to send me a replacement magnetron. She denied sending it directly to me unless GE Technician replaced it for me.

      If somebody was able to bypass GE service call, pls let me know jigneshshah00_at_yahoo.com

    • profile image

      RoswellDave 5 years ago

      I have called GE several times over the last three days. They will not replace the magnetron under my 10-year warranty except through a GE service call. They will not even give out the part number or sell a mag to me. The nice lady explained that they were recently notified of a GE policy change on magnetron parts due to the hazardous nature of the installation.

    • manjuvreddy profile image
      Author

      manjuvreddy 5 years ago from USA

      Randy, I feel sorry for your agony. Anyway like many others in this post have mentioned try again some other time and you could be lucky to easily get a free magnetron.

    • profile image

      Randy 5 years ago

      I called and got the runaround. They sent me to service. Service sent me to consumer advocate when the service group found out I had a local appliance repair shop that would do the work. Consumer advocate did not help at all and told me that starting 3/28 they could no longer send the magnetron. I asked for a copy of the e-mail and she said she would forward it - but all of a sudden she couldn't figure out how to do it. While on the phone I went to the GE site and found out I could still order the part - let the advocate know and then her supervisor came on and was close to abusive to me. She first said that in her 7 years there she has never known GE to send out a magnetron - I pointed out that hundreds of others have somehow figured out how to get one from GE. Then I asked if she would send an e-mail that she would refund my money if I ordered the part online from GE. She says she can't - then I point out that she just said GE doesn't send magnetrons out...and her person just told me that an e-mail just came out saying that they can no longer send out magnetrons, which implies they did prior to 3/28...All this to say - I think they figured out they had a huge number of poor quality magnetrons out there and are trying to capitalize on it through pushing their service offerings. Looks like I am out about 150 one way or another or more if I choose to go with a brand new microwave (from a different brand ).

    • profile image

      Partha 5 years ago

      I called GE and foundout that my microwave just came with one year warranty. I ordered new magnetron for 59$ online and installed it and it is working like a charm. Thanks Manju for your detailed instructions.

    • profile image

      Los Angeles 5 years ago

      I just called and got the same run around. They are refusing to ship the part out without a service diagnostic and then have their tech do the job. I am going to keep calling and try to get around their new policy.

    • profile image

      Matt 5 years ago

      I called GE today and they are saying that due to the hazard of repairing microwaves, they will no longer send the magnetron out. I told them that I'm reading online that people have received a new one as recently as three weeks ago and of course she says that policy just began 2 weeks ago. How convenient.

      I can order the part for $166 from the GE parts department and have it sent directly to me, so I'm not sure why the warranty department has a different policy than the parts department. But of course the parts department doesn't have the ability to send it for free under warranty. BS.

      To make matters worse, my microwave is a 36", which is special order and costs about $750 to replace.

      I guess I will keep trying. Maybe I will get lucky and find someone willing to help.

    • profile image

      stevegutch 5 years ago

      After more research on-line I found the correct GE Part number for my Magnetron and they are now sending me the right part. But it's been a major hassle with them sending me the wrong part and then insisting that it was the correct part - I spent a lot of time trying to figure out how in the world to make use of the wrong part. I will never buy anything GE again.

    • profile image

      stevegutch 5 years ago

      This is great, so far. I had no problem getting the new Magnetron sent to me. However, the mounting bracket is different on the new replacement one. I called and told GE that they sent me the wrong one - but they are insisting that it is correct and that I need a GE Service Tech to come out. It seems really hard to get these mounting brackets off due to the tight metal tabs holding them on. Anyone else have to deal with this. I'd post a picture but I don't know how to do that.

    • profile image

      Tom 5 years ago

      Thanks! I picked up a new diode from a Maytag dealer locally, and tried that first. No better, still growling and won't heat. Called GE and they are sending my free magnetron. When I was replacing the diode, i took the magnetron out to see if it had a burned emitter (at the top) but it didn't so I was hoping to get lucky with just the diode. Thanks again!

    • profile image

      Tami L- Illinois 5 years ago

      WOW. Thanks for the info. I just got off the phone with GE and they are sending me out the new upgraded magnetron part for my JVM1650SH01 FOR FREE!! Ill let you know if it works after I have my husband changes that out.

    • profile image

      Andy Edwards 5 years ago

      I have an eterna space saver. Stopped heating was only symptom. Found this site. Fought with GE for two days but finally got the magnetron. Replaced it in two hours. Enjoying hot tea right now!

      This video helped.... http://www.google.com/url?sa=t&rct=j&q=ge%...

    • profile image

      CP in Vegas 5 years ago

      many thanks! My fiancé was able to do this no problem!!!! :)

    • profile image

      Harrwell 5 years ago

      Thanks for the advice and step-by-step. G.E. told me that the magentron in my unit was warranted for one year, so I had to buy one.

      Before I did I followed directions and opened up the unit. It was easy. After photographing and then disconnecting the wires the magnetron slipped out easily. Then I went on line and found a magnetron for $35.00 and a diode for $12.00. I received it two days later.

      I had to remove the generator to mount the magnetron, and it took some pushing but then it slipped in place.

      Everything went back together quickly and the microwave works better than before. This post save money and landfill space.

    • manjuvreddy profile image
      Author

      manjuvreddy 5 years ago from USA

      Hello kws, Please check the wires around magnetron, maybe some wires are touching and that's why you see smoke. Make sure everything properly placed.

    • profile image

      kws 5 years ago

      Just replaced the magnetron and tested my repair skills by heating up a cup of water. I left the cover off during this test. The mw was very quiet and after about 45 seconds the water was hot. However I noticed smoke coming from the the vicinity of the magnetron. Not sure if this is normal of indicative of another issue. Can someone please advise?????

    • profile image

      O.P. 5 years ago

      Thanks to you, i have my microwave back up and running!

      Blessings!!!

    • profile image

      Darren 5 years ago

      Thanks for the information! Just requested my free magnetron for my 9 year old microwave (JVM2070SH001)and went ahead and ordered the Diode just in case. She said I could return it if I didn't need it. I have an appliance guy working on my another appliance on Friday and he said he would install it for me for free. Life is Good!

    • profile image

      TR 5 years ago

      Two year old Samsung SMH9207ST magnetron OM75P(10)ESGN was under 10yr warranty but wouldn't give to me unless I had authorized repair retailer inspect/install at $129 if I brought it in. So that place would get $129 even with Samsung paying for part. Store wouldn't even sell me one unless they installed it. Too greedy on principle so I decided to just forego warranty and pay for it myself for $50 online after reading this article and a few others. After unplugging for an hour I checked capacitor and diode to be ok and I ordered magnetron from partstore.com and spent an half hour of just mostly removing & installing screws. Just be sure to wait for the dangerous capicitor to discharge.

    • profile image

      Nelmar 5 years ago

      If you need to buy the megnetron for you GE Spacemaker XL 1800, then read the following from an online vendor. It's a lot cheaper than going through GE.

      "This is a brand new factory supplied part and is the SAME EXACT part sold by the manufacturers. We buy from the same supplier in bulk and sell at the wholesale price.

      Direct factory replacement for Samsung manufactured OM75S & OM75P(10) magnetrons.

      Common magnetron used in many GE, Frigidaire and other brand microwaves.

      Original production magnetrons in these units historically had an enormously high failure rate. (Just Google 'GE magnetron failure" and see what pops up).

      This is the current replacement for magnetron tubes having a Samsung label and marked...

      "OM75S (10)" OR OM75P (10) only.

      We do not guarantee compatibility with any other type of magnetron except those marked OM75S (10) OR OM75P (10).

      This magnetron tube replaces GE part #'s :

      WB27X10017

      WB27X10475

      WB27X10489

      WB27X10735

      WB27X10880

      WB27X10089

      WB27X10370

      Frigidaire 5304408930 & 5304423374"

    • profile image

      Nelmar 5 years ago

      By the way, manjuvreddy - thanks for all your tips.

    • profile image

      Nelmar 5 years ago

      Just received my magnetron. I found out that if an owner installs the magnetron, GE will void the future magnetron warranty requests. No biggie. My online research reveals that due to high failure rate, GE ha replaced the GE XL 1800 JVM 1870 microwave with a Korean megnetron (OM75P). You can buy this megnetron for around $60! Waiting for the diode ($40) and then to start megnetron/diode replacement.

    • profile image

      Alex Joseph 5 years ago

      Great info. Called the GE parts number. Gave them model and Sr # and they are shipping it for free. Sears Parts repair guy is charging $129 flat to replace it. Great tips thanks all!!

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      Mark 5 years ago

      Followed the directions, called GE and got the part in three days, took two hours soup to nuts. Heating up some leftovers for lunch. GE support told me that if I install the part on my own it would void the warranty which is BS because I don't see that written in the warranty section. As far as I'm concerned this part should warranteed for another 10 yrs. My GE XL1800 spacemaker was about 8 months short of being beyond the warranty. Magnatron was fairly easy to install just take your time and be patient. Good Luck

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      Seth 5 years ago

      Manju, Great post.Really helpful.

      Hi All, I have a GE HVM1540 (hvm1540dn1ww) and I lost the manual. It is 1.5 years old and has bad magnetron. The manual on GE site for hvm1540 shows only 1 year warranty for magnetron. When I called GE they are asking for the manual publication number. Apparently different manual publications show different warranty periods. Dont want to spend $200+ after just 1.5 years of usage.

      Pls help by sharing your manual publication number.

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      Russell 5 years ago

      Great thread! Thank you for this information. GE is sending the magnatron out today.

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      Marty McOmber 5 years ago

      Thanks so much for the info on this post. Just saved us $200 plus in repair costs. Replacing the magnatron took me about 1.5 hours from start to finish. And the phone number for the obtaining the part from GE was wonderful. Just called, asked for the part, and no hassle from the operator.

      One trick that worked for me: after removing the nuts that hold the magnatron in place (and removing the black wires attached to the magnatron), there is not quite enough room to drop the magnatron. But I found that if you pull the magnatron toward you it will clear the obstruction below.

      My is back in place and heating like a deamon. Thanks so much for posting this!

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      MannyM 5 years ago

      Thank you so much. This worked great!!

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      manjuvreddy 5 years ago from USA

      Shahib, Sorry I don't have picture of the diode. Try to see if you can find video or something on youtube or go to local electronic store and ask them for help.

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      shahab 5 years ago

      i saw ur posting it help me lot i need just help about diode how it look like can u add that pic pls thanks

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      Keith 5 years ago

      Same as just about everyone else... followed the above directions & all works perfectly. Got my magnetron for free. Took only about a half hour to change the part itself. The rest of the time was getting it off the wall, taking the cover off, then remembering which screws went where when it was done & finally putting it back on the wall. Great instructions. This is the first time I've actually found something online that did what it claimed. Bravo!

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      Raj 5 years ago

      I just replaced the magnetron, now the microwave turns on for about 20 seconds then shuts off automatically (loses power completely), did that a couple of times, now it won't even turn on, any idea what could be wrong??

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      Brian 5 years ago

      Just wanted to say thanks!! Followed your instructions and our microwave(JVM1440WH01)is "nuking" fine now.

      I called 888-239-6832 and the representative was able to check the warranty and send me a free replacement magnetron. She did mention that GE recommends a technician install the part, and asked if I had a technician lined up for the repair. I told her yes; as an Electrical Engineer and former electronics tech in the military, I figure it wasn't too far of a stretch. Of course with the well laid out instructions provided and a little patience, anyone can do this repair.

      After I got the magnetron replaced, on the first try the diode blew. I was able to pick a replacement diode (similar AE diode) up at a local appliance parts supply. After installing the new diode, the microwave heated up a cup of water no problem.

      A tip for removing the magnetron- as others have mentioned, remove the screw for the plate that the transformer sits on, so that it will bend down a bit. After removing the magnetron connections and screws, while pressing down on the transformer plate, tilt the bottom of the magnetron away from you to work it free, then slide it to the right to clear the transformer. Just reverse to get the new one in.

      Thanks again for the repair instructions. Good luck to all who try.

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      Baconator 5 years ago

      I was not there at the time, but the other day my wife heard a popping sound and smelled some electrical...Microwave does not heat and still smells when we tested it. Does my senario sound familiar? We use our microwave constantly (5 kids). It sounds like you all have been fairly successful replacing these parts and thank you for all the ideas. I would rather fix what I have, but do not want to go through this repair, if in the end I am in the same boat.

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      Alec 6 years ago

      Update: Many have inquired as to how best to get a universal diode that will work for your model. Here is what I did:

      1) Find out the current GE part number for the diode that will work in your microwave (in my case it was WB27X1160).

      2) Go to www.partstore.com and enter in the GE part # in the search window and hit enter.

      3) The search will return a list of "substitute parts" that will work as a replacement (in my case, Whirlpool part 13091701 for $23.12, and AE Select part 11QBP0237 for around $10 - guess which one I ordered).

      BTW - I verfied with one of our local appliance parts stores that the Whirlpool part number is in fact authorized to substitute for the GE part. Also, I called and spoke to a sales person at Partstore.com and she told me that AE Select is a manufacturer of universal parts, and they have decent quality. She said that she has a cell phone battery in her phone that is AE Select and it works better than the OEM battery.

      Seems like a good avenue to avoid paying $40 for a wire.

      At this stage I am still unclear if I will need the diode, but I wanted it on the way just in case.

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      Alec 6 years ago

      I just called the parts number, and the lady told me could not send me the part because it had to come through a dealer. I called a second time, got a different person, and she is sending the part to my address. Like previous posts have said, keep trying.

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      Vickilynn 6 years ago

      THANK YOU!

      The information on this page has saved us so much money! I was unsure if we could actually do this, but we did. We called the number listed and easily and quickly received our replacement magnetron under warranty, even though our microwave is almost 9 years old.

      The diode they quoted us was $47.00 with shipping, so I asked for the part number and I used that to purchase a universal diode that worked just fine.

      Just a few comments for those getting ready to do the same thing.

      1) The diode has black heat shrink on it. You will need to replace that on your new diode.

      2) Be sure to remember how things come off (different wires, screws and metal plates because they are confusing to put back.

      3) As others mentioned, you need to removed the black plug at the top from the old magnetron to put on the new one. The black wires plug into/onto that.

      Thanks again for the great info and pictures!

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      jimbo 6 years ago

      Look at all these problems with the GE Spacemaker magnatron. I've gone through two myself. This has class-action lawsuit written all over it.

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      manjuvreddy 6 years ago from USA

      Silvia, I think it's better to close it properly for any dangers of electricity leaks. I suggest to remove the cover and try to put it back again.

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      silvia 6 years ago

      pls write to dodgeramsb@yahoo.com

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      silvia 6 years ago

      Changed the magnetron and it works now but i coudnt close the top cover of the microwave, it has a gap on the sides...Is this dangaerous for radiation leak?

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      Chris 6 years ago

      We have a 5 year old Spacemaker XL1800 that stopped working this morning, same symptom, sound changed and no heating. Found this site and called the number in your post, but no luck. Our magnetron is only covered by 5 year warranty and warranty expired in Feb/2011. She refused to sell it to me, she said that it is a high voltage part and the only way I could get it was to have a service tech come out and deliver it. I told her no thanks. Interesting that I can buy the part from Sears with no problem. I found the magentron on another site for less than Sears, so will buy from there. Still, great info and saved me from having to buy a new microwave. I was already shopping for a new one when I found your site. Thanks for the great information!

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      mbj 6 years ago

      Thanks. Called GE, the new magnetron arrived in 3 days, no cost. I swapped it out in 5 minutes. You only need a Philips screwdriver to replace the Magenetron, but I had to buy a set of security torx wrenches to get the cover off the microwave.

      No diode was needed. (I have a friend who worked as a service technician for Sears over his college summers. He said he'd replaced a lot of magnetrons and never found the diode to be a problem. You might want to just try swapping out the magnetron alone first.)

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      Azgaffer 6 years ago

      Thanks for this, you saved me buying a new microwave or paying someone more than it is worth to fix. I called the number you gave on Monday afternoon, (just said I needed a new magnatron) by Wednesday afternoon the part was delivered by FedEx. I found the diode at a local shop with a web store (Arts Parts) and it cost $7.00. I had a few extra steps to pull it out but it was very similar to your instructions. Thanks for your help, once again you have proved the web is awesome and a great resource.

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      Sam Adams 6 years ago

      One other quick little note for visitors, I was not as cautious as I should have been with this appliance. I didn't have any issues but just a word to the wise I found on another web page for anyone who ventures down this path:

      A WORD OF WARNING:

      The circuits described here cannot be measured with a normal voltmeter . The powerful voltages combined with the high-current potential make these circuits deadly in nature. If you wish to measure the high voltage, you should first make sure that all your affairs are in order and that your life insurance policy covers death by electrocution. If you still want to measure the high voltage, a special high-voltage meter with special leads must be used. HIGH VOLTAGE SAFETY PROCEDURES MUST BE CAREFULLY OBSERVED.

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      Sam Adams 6 years ago

      Thanks Manjuvreddy, very helpful page. Replaced my magnetron last night but the diode is bad also, no surprise there. FYI for anyone who pops by the page I was able to get mine from Amazon for $25 with free shipping, my part was WB27X10597 for the GE Spacemaker 1800XL. Pretty obvious on mine the diode was cooked, smells pretty bad, it sits between the HV Cap and ground if anybody has trouble spotting it. You can also measure it with an ohm meter, mine is shorted both directions, I'm guessing that might be why it's cooking, the thing carries a few thousand volts!

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      Jim 6 years ago

      Thanks a million, manjuvreddy. I recruited a tech savy friend and followed instructions and, presto, microwave operating perfectly. You saved me mucho dinero.

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      manjuvreddy 6 years ago from USA

      JustDandy, You don't need to pull out the stove range you should be able to pull out microwave above range. Also you can even put some boxes above range so that even if you drop microwave it will fall on boxes not the range.

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      Glen 6 years ago

      Thanks for the advice. Called the GE Parts Department and they shipped the magnetron right out. No questions asked. I also ordered the diode which cost an extra $38.25. My father-in-law and I were able to do the job in about an hour. Saved around $800 for a new microwave. Works great! - Thanks again!

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      JustDandy 6 years ago

      Fantastic so far - called the #, got a live human being, no rings, no auto-attendants. Zero hesitation to provide me with the magnetron and I ordered the diode too ($46.41 total, after tax & s&h).

      She did mention that the magnetron has been upgraded and the original one is no longer being produced. Should be 3 - 5 business days before it arrives.

      Question - did you pull out the stove/range from under the microwave before removing/lowering it? Or did were you able to safely disconnect it and move it to a work surface (and reinstall it) with the range still there?

      Also - I did not get the warning that servicing it myself would invalidate the warranty. She also didn't ask if I was the homeowner, contractor, repairman, etc.

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      NJ guy 6 years ago

      thanks gang for all the help. replaced the magnetron last night, works perfectly. my oven was 7 years old, GE was great to deal with. they warned me that my warranty was no longer valid if i did the work myself as I am not a certified repairman.

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      Dave from Attleboro, MA 6 years ago

      Thank so much for this post. I called GE told them my magnetron had stopped working and that my unit was all most 10 years old and that my owners manual stated that the magnetron tube had a 10 year warranty. They ask me for the serial and model numbers then my address, said they would send one right away. 5 days later it arrived. I installed it and every thing works well. Again thanks

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      Matt 6 years ago

      Call 888-239-6832 -- do not call any other GE number -- I called the nuber on GEs website gave me the 5 year response, I called the number above and they told me 10 years and sent the magnetron

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      manjuvreddy 6 years ago from USA

      Hello Linda, I really feel sorry for you. It appears GE has changed their policy from giving 10 year warranty on Magnetron to 5 years in your case. Usually when Magnetron breaks you don't see burning smell or anything, I suspect in your case something else could be broken. If you don't want to spend money on GE technicians, try local electric repair shop if you get lucky with if it's small repair.

      Good luck.

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      Linda in CA 6 years ago

      Just saw Kevin's post from 2 wks. ago where he stated he got a magnetron tube for his GE Spacemaker XL 1800 which was manufactured in Feb. 2004. My husband called GE this morning (our microwave was mfg'd. in August 2004)and they stated we only have a 5 yr. warranty. We pulled up the warranty on line and it stated the same. I guess we didn't make the cutoff date for a 10-yr. warranty. Our M/W had a horrible plastic smell and smoked after my son heard something like a spring go.

      Any info will be much appreciated. Having a party this weekend. Love this site -- only wish we had 10-yr. warranty -- times are tough with son and grandson now living with us. Thanks for any help.

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      Lisa in FL 6 years ago

      manjuvreddy-Thank you so much! I ordered the magetron, no problem. It took 5 days to get here. I also found a universal diode on Amazon for 13.00, including shipping. That took 10 days, (even though I did 3-5 day shipping.) Hubby and I did the repair in under an hour. Thanks again so much! The hardest part, was living without a microwave for 10 days. How did we ever survive, before microwaves?

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      Matt from Pennsylvania 6 years ago

      Awesome Post -- I called number on GE website for service and they gave me some BS about how my warranty was up and they can't ship magnetron because it emits radiation. I called the number from this post and within 5 minutes the rep checked my warranty and scheduled shipping out the replacement magnetron.

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      Robert from Newcastle 6 years ago

      GE Spacemaker XL1800 (Model JVM1870CF). Less than 7 years old. Abnormal vibration noise. No heat. I'm guessing it's the mag...

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      Thiru Bala 6 years ago

      I have a GE SPACE MAKER XL1400. CALLED GE AND THEY SAY IT IS 11 YRS OLD AND CANNOT SEND THE MAGNETRON TUBE TO FIX. WE JUST MOVED HERE A FEW MONTHS BACK AND INHERITED THE MICROWAVE OVEN. MY SON IS AWAY AT ONE OF THE FORWARD AREAS WORKING WITH US ARMY. ANY SUGGESTIONS HOW TO DEAL WITH GE IN THIS MATTER.

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      Kevin from Cali 6 years ago

      Me again. Just installed the magnetron and diode, and now my Microwave works!! Took me a little longer than most people are reporting, but that's cuz I have no skills and I am slow and I had to go get a nut driver to get the nuts off the top of the magnetron. Thanks to all who have posted advice on this site and special thanks to manjuvreddy :)xx

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      Anand 6 years ago

      Changed the Magnetron and humming sound is gone, but it's still not heating. Going to replace Diode now.

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      Anand 6 years ago

      My OTR GE Microwave is making humming sound and not heating food. Control panel is working fine though. I am confused if it's magnetron or Diode or Capacitor or combination of magnetron and Diode. Any advise ?

      Thanks!

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      Jeannine 6 years ago

      Just called GE customer service and you were right, my spacemaker had a ten year warranty on the magnetron. Thank you so much! I just saved $150.00

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      manjuvreddy 6 years ago from USA

      Lisa, Yes it sounds like magnetron is gone.

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      Lisa in FL 6 years ago

      GE Spacemaker XL1800 not working. The light comes on and the timer counts down, nothing else. Does this sound like the Magnetron? Thanks