Thread Number: 91412  /  Tag: Ranges, Stoves, Ovens
Failure - GE OTR MW JVM6175YK2FS
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Post# 1159236   9/10/2022 at 17:52 by DADoES (TX, U.S. of A.)        

dadoes's profile picture
 
Unit is 2.75 yo, installed Jan 2020.  It does run such that the magnetron sounds like it's operating.  No heating occurs but I can hear the cycling of it on power levels less than 100%.  The humming sound when the magnetron engages is noticeably louder/stronger than before the failure.  The change was sudden at the moment I started it (when the failure apparently occurred), which immediately caught my attention.

I'd rather repair it than replace the whole thing ... although of course it must be dismounted either way.

Any advice on what may be the failed component would be much appreciated.  I have no experience diagnosing the specifics of microwave failures, other than I can do electrical tests on components with guidance on what/how to test.

High-voltage transformer WB20X10043?
Capacitor WB27X10011?
Diode WB27X1160?
Magnetron WB27X11079?
Fuse WB27X10474 (except the whole thing isn't dead)?
Noise filter WB02X11200?






Post# 1159238 , Reply# 1   9/10/2022 at 18:38 by Launderess (Quiet Please, There´s a Lady on Stage)        

launderess's profile picture
Had a GE counter top microwave that was very lightly used. Lasted about two years before noticing similar issues. Wasn't long before darn thing gave up the ghost. Apparently these GE microwave ovens aren't the most robust nor longest living out there.

Considered repair, but in end just chucked the thing and got out vintage Sharp Carousel all metal job with mechanical timer. Only really use microwave for veggies and perhaps reheating, so that's me for you.


Post# 1159282 , Reply# 2   9/11/2022 at 06:05 by WhiteWhiskers (Silicon Valley, California)        
check the interlocks

A common failure of MWO's are the door interlocks. Frequent slamming of the door has brought down many a unit.

Providing a link to a troubleshooting flowchart for a generic oven. Be safe. Don't work alone. Even an unplugged oven still has enough juice in the cap to give you a shock.


CLICK HERE TO GO TO WhiteWhiskers's LINK


Post# 1159305 , Reply# 3   9/11/2022 at 10:57 by DADoES (TX, U.S. of A.)        

dadoes's profile picture
 
Failure of any one of the multiple door switches doesn't result in a non-start situation?  It does run as I stated above.  Distinct humming sound as if the magnetron is energizing, just no heating.  Video is at 30% power so the cycling can be heard.





Post# 1159307 , Reply# 4   9/11/2022 at 11:03 by cfz2882 (Belle Fourche,SD)        

check the capacitor and diode.

Post# 1159322 , Reply# 5   9/11/2022 at 14:31 by RP2813 (Sannazay)        

rp2813's profile picture

That video is scary because my OTR GE looks a lot like it, but I think mine is even older.

 

We had a big ~1980 Panasonic with woodgrain exterior that failed after 20 or so years.  Not only did the hum get a lot louder, but it also made yellow flashes in the cavity.  Fortunately, there was an identical spare at my mom's that had only seen about five years of use (both my sister and I received these MWOs as Xmas gifts) so after confirming the magnetron was bad, we switched out the bad oven for the good one and that was that.


Post# 1159330 , Reply# 6   9/11/2022 at 16:49 by qsd-dan (West)        
Greeeaaat

qsd-dan's profile picture
I thought microwaves failing around the 10 year mark was sketchy, now it's less than 3.

Post# 1159342 , Reply# 7   9/11/2022 at 19:51 by Lotsosudz (Sacramento, CA)        
Old GE microwaves were long lived

lotsosudz's profile picture
Clearly not so much anymore. I knew of several homes with many kids in each, that the ovens lasted 10 years or more. I have no knowledge of the current models.
David


Post# 1159355 , Reply# 8   9/11/2022 at 22:33 by SudsMaster (California)        

sudsmaster's profile picture

Speaking of microwaves...

 

I've had a Kenmore Elite Microwave since about 1999. It works. It works well. But it wouldn't fit in the space above the GE P7 wall oven, so I got another microwave, a Panasonic NN-651S, circa approx 2016. This one also worked well. Then I decided to bring it into work, and got a replacement, same model, dated 2019.

 

The replacement has been disappointing. It works OK once it gets going, but the problem is with the door latch. I have to really slam the door shut to get the latch to engage the power on function. Otherwise it just sits there and does nothing.  I've lived with that POS for some years now. Even after I got laid off my job and brought the older one home, I kept using the newer more defective one. I suppose I could take it apart (again) and try to figure out how to get the door latch/safety feature to work properly. Chances are, it's an issue with the relay and something I cannot fix without a new relay. Fuck it. Maybe I'll just return the thing to Costco and see what they say. Problem is, prices of replacements have probably soared since 2019.

 

Anyway, I just swapped the "new" Panasonic for the older, better one, and it's working just fine. The newer circa 2019 one is going back unless I can fix it.

 

I don't really need all these microwaves... I also have a 1,000 watt Danby, which sits in the patio kitchen. Despite the lower wattage, it works just fine. Plus it has a nice stainless interior to match the stainless exterior.

 

Update: found one more microwave in the workshop. It's still in box, so it's probably one that somebody gave me at some point. It's an older Panasonic Inverter unit, but instead of 1300 watts, it's 1250 watts. As I recall, the person that gave it to me said it works fine. I'd test it but it's sitting on the floor in a little bathroom at the back of the workshop, with about five heavy boxes on top of it.

 

Can you tell I don't need any more microwaves? LOL.

 

edit-update: I was wrong to say the NN-SA651S Panasonic inverter microwave is 1300 watts. It's really 1200 watts. Says that right on the front, duh.

 

 

 




This post was last edited 09/12/2022 at 01:33
Post# 1159364 , Reply# 9   9/12/2022 at 01:37 by tolivac (greenville nc)        

I have an over the stove GE "Advantium" microwave/speed cook oven.I am on my second one.The first lasted for 15yrs!The old one was hauled off by the installer-Lowes.First oven came from Greenville Appliance-they demoed one for me.I think of microwaves a disposable machines.Even if you could fix the diodes or caps-the magnetron is probably on its way out anyway-and a failing magnetron may have caused the rectifier diodes to fail.

Post# 1159372 , Reply# 10   9/12/2022 at 04:30 by askolover (South of Nash Vegas, TN)        

askolover's profile picture

We are "Sharp" people.  My grandmother, mother, and myself have all owned Sharps and they have all lasted many years.  My previous one is over 20 years old now and is still going strong at MIL's house next door.  The VFD has gone out but she doesn't use any other functions on it other than time and start...always on "hi".


Post# 1159401 , Reply# 11   9/12/2022 at 16:04 by WhiteWhiskers (Silicon Valley, California)        

My 1st microwave oven was a Sharp Carousel that lasted 5 years before the magnetron tube failed. The second oven was a Panasonic with inverter technology. That lasted 4 years before the power supply smoked. Very disappointing. My current oven is a Sharp Carousel with Convection that's been used daily for over 22 years. The build quality is really solid. If there comes a day for a replacement, I've been looking at a Panasonic 4-in-1, has air fryer, convection, broiler, and inverter.

It's always a roll of the dice when buying a microwave oven. Wirecutter says they're all the same, but recommends Toshiba.



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