Greeting Fellow Samurais:
This grasshopper has heard strange (loud) buzzing noises from the model listed above; in addition to the buzzing sounds, a hum was heard. In attempting to troubleshoot the unit, I turned on the power and noticed that the fan was turning backwards... At least it appeared to be; the vanes were not turning in a direction so as to "scoop" the air, but in the reverse. It would appear that the polarity is reversed somehow. What would cause this problem? Bad board? Shot sensor? A short circuit somewhere?
The motor itself spins freely; the bearings seem OK. Is there a test I can perform to determine the cause?
Any suggestions would be appreciated. This is a good machine and has worked quite well so far. I would really like to get it back up and running. BTW I have the service manual PDF. Thanks for that, also.
7K
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Kenmore Dehumidifier m/n 580.54501500 Motor and Noise
Started by 7Katz, Oct 02 2011 08:56 AM
3 replies to this topic
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#2
RegUS_PatOff
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- Grand Master Funk
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- 30,694 posts
Sensei
- Location: USA
- Flavorite Brew:Chief NTSC Black & White
Posted 02 October 2011 - 09:17 AM
Has this Dehumidifier worked for you OK up till now ?
The Fan is AC, and wouldn't turn backwards unless someone replaced the wrong Motor or Fan Blade.
So .... what's "humming" and "buzzing" ?
The Fan is AC, and wouldn't turn backwards unless someone replaced the wrong Motor or Fan Blade.
So .... what's "humming" and "buzzing" ?
.
one of my video productions: “Easter Seals: Walk With Me”
every day is Down Syndrome Awareness Day
"A Child Is Waiting" . Burt Lancaster . Judy Garland . 1962
RegUS_PatOff > www.youtube.com/watch?v=oPAY2LsKVEw
one of my video productions: “Easter Seals: Walk With Me”
every day is Down Syndrome Awareness Day
"A Child Is Waiting" . Burt Lancaster . Judy Garland . 1962
RegUS_PatOff > www.youtube.com/watch?v=oPAY2LsKVEw
#3
7Katz
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- Grasshopper
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- 32 posts
Ikkō-ikki
Posted 02 October 2011 - 10:12 AM
The motor itself was humming; it seems like it struggles to get up to speed.. There was a buzzing sound coming from the cabinet; I figure it was a loose screw or tube hitting the outer metal. I will double-check all fasteners and loops.
This is the first time I have serviced the motor; even with AC power, is there anything that would cause the motor to run in such a way? To the best of my knowledge this is the original motor.
I have a motor from another unit. But the one in the Kenmore has five ports on the connector end, the extra motor I have has three. Would the board send a "funky" signal to the motor?
Should I just replace the motor? What electronic tests would help, if any?
This is the first time I have serviced the motor; even with AC power, is there anything that would cause the motor to run in such a way? To the best of my knowledge this is the original motor.
I have a motor from another unit. But the one in the Kenmore has five ports on the connector end, the extra motor I have has three. Would the board send a "funky" signal to the motor?
Should I just replace the motor? What electronic tests would help, if any?
#4
RegUS_PatOff
-
- Grand Master Funk
-
- 30,694 posts
Sensei
- Location: USA
- Flavorite Brew:Chief NTSC Black & White
Posted 02 October 2011 - 12:21 PM
Kenmore 580.54501500 made by LG
other Motors may work, if they are 120v AC
2 speed LG Fan Motor
click on picture
other Motors may work, if they are 120v AC
2 speed LG Fan Motor
click on picture
.
one of my video productions: “Easter Seals: Walk With Me”
every day is Down Syndrome Awareness Day
"A Child Is Waiting" . Burt Lancaster . Judy Garland . 1962
RegUS_PatOff > www.youtube.com/watch?v=oPAY2LsKVEw
one of my video productions: “Easter Seals: Walk With Me”
every day is Down Syndrome Awareness Day
"A Child Is Waiting" . Burt Lancaster . Judy Garland . 1962
RegUS_PatOff > www.youtube.com/watch?v=oPAY2LsKVEw
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