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All Forums > Tech Talk > Tech Talk Forum Page 22 > My microwave buzzes
AuthorPost
RandomPrecision
Senior Member

Enjoy!
8175 Posts
3/06
Posted - Jul 20 2009 : 11:43PM
So I bought a new microwave a few months ago and now it's buzzing pretty loud when I first start it (Gets quieter if it runs a while). It still heats as good as it ever did but I'm afraid it's the magnetron dying. Does this mean it's probably going to fry soon or something? Or is it possible that's just the way this oven is?
ninja1
Senior Member

2939 Posts
1/08
Posted - Jul 22 2009 : 10:29PM
Does it sound like an electric hum sort of buzz vs. a rattling/vibrating sort of buzz? Could be something as simple as vibration from the cooling fan causing some static parts to vibrate against each other resulting in the buzzing sound.
RandomPrecision
Senior Member

Enjoy!
8175 Posts
3/06
Posted - Jul 23 2009 : 12:40AM
Well, It's a stainless unit so I thought maybe it could be cabinet vibration but it makes no difference if I put my hand on it. If I look into the back grille when it's running, the noise sounds like it's coming from the approximate location of the fan but I think the magnetron is right in front of the fan. I would suppose it's somewhere between a loud electronic hum and a light mechanical vibration/buzz. I think it always kind of sounded a little loud but it suddenly got a lot louder about a week ago.
Edited by - randomprecision on 7/23/2009 12:40:51 AM
stinkfist
Senior Member

Subterfuge......
7401 Posts
4/07
Posted - Jul 23 2009 : 3:19PM
My microwave buzzes
Have you been microwaving vibrators
jayo All-Star Supporter
All-Star Member

2117 Posts
7/04
Posted - Jul 23 2009 : 8:14PM
My guess is the fan is hitting something.
 
RandomPrecision
Senior Member

Enjoy!
8175 Posts
3/06
Posted - Jul 25 2009 : 4:17AM
I don't think the fan is hitting anything. I can see the fan and I can tell it's spinning at normal speed. Anyway, the noise sounds more like a loud fluorescent light ballast.
Jordan1
Member

Fishing, a fun hobby!
490 Posts
7/08
Posted - Jul 25 2009 : 1:57PM
^This might seem like a dumb question since I assume you must have a good reason for not doing it, but why haven't you taken it back and see if another one of the same model does the same thing?
If it were me and after taking it back to try a second one and it made the same noise again, I would take it back and get something different. As far as I know, no microwave oven should make the kind of noise you describe.

Edited by - Jordan1 on 7/25/2009 2:01:16 PM

jrv
Senior Member

1266 Posts
2/03
Posted - Jul 26 2009 : 9:24PM
The magnetron might be loose.
You can test for microwave leakage with any 802.11b/g setup. The microwave oven uses almost the same frequency as 802.11b/g wireless. See if the wireless works as well next to the over when the oven is on as when the oven is off. No interference does *not* mean no leakage but interference is worth looking at.
RandomPrecision
Senior Member

Enjoy!
8175 Posts
3/06
Posted - Jul 31 2009 : 10:18AM
You're right.
phatbasey
Senior Member

1390 Posts
1/05
Posted - Aug 4 2009 : 11:26PM
What brand is it? I might be able to help.
ChodeMasterJ
Perpetual Marxist

5405 Posts
4/03
Posted - Aug 5 2009 : 12:18AM
put a light bulb in it and turn it on. that'll fix 'er up.



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