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CM Sickleflow red Loud on low speed

post #1 of 17
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Hi, i just bought 4 sickleflows for my pc and i have a zalman fan controller and even when i set them to minimum speed i still hear an annoying humming noise. Any clues? Did this happen to anyone else? Should i return them?
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post #2 of 17
Quick test: remove one fan from the case so it free from fan grills... does it still hum? If not, your getting turbulance noise from the grill.

Are you mounting them in the vertical or horizontal plane? Sickleflows dont like being in the horizontal plane - something to do with the bearings.
post #3 of 17
Thread Starter 
Quote:
Originally Posted by Sethy666 View Post

Quick test: remove one fan from the case so it free from fan grills... does it still hum? If not, your getting turbulance noise from the grill.
Are you mounting them in the vertical or horizontal plane? Sickleflows dont like being in the horizontal plane - something to do with the bearings.

Did a quick test, removed the power from all of them, one of them has a silent noise, dunno how to describe it...and the louder noise was from my PSU, which is kindof weird, cause it was really quiet until now. Its a corsair TX850. The noise is from the fan, its not electrical from what i can tell. Any ideea on how to reduce the noise from the psu? Besides getting a new one.

The sickleflow is still bothering me though, I havent put in my fan guards yet so it cant be the turbulence.
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post #4 of 17
Ill I can suggest with the PSU is to check the intake ports for dust and clean if required - apart from that, I dunno.

As to the sickleflows, try directly powering them from a 5v mobo fan header and see if that reduces the hum. What type of Zalman controller are you using?

Addit: Doesnt "My Precios" have a 'u' in it? eg Precious tongue.gif
Edited by Sethy666 - 9/16/12 at 9:24pm
post #5 of 17
Thread Starter 
Quote:
Originally Posted by Sethy666 View Post

Ill I can suggest with the PSU is to check the intake ports for dust and clean if required - apart from that, I dunno.
As to the sickleflows, try directly powering them from a 5v mobo fan header and see if that reduces the hum. What type of Zalman controller are you using?
Addit: Doesnt "My Precios" have a 'u' in it? eg Precious tongue.gif
LOL it probably does, i was just in a hurry when i typed probably. Its not the case i'm using anymore.

This is the fan controller
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post #6 of 17
I have the previous model... they are not bad.

Did you try and power the fan from a 5v mobo fan header? Im just seeing if your controller is actually doing what its suppose to when set at 'low' eg 5 v
post #7 of 17
Thread Starter 
Quote:
Originally Posted by Sethy666 View Post

I have the previous model... they are not bad.
Did you try and power the fan from a 5v mobo fan header? Im just seeing if your controller is actually doing what its suppose to when set at 'low' eg 5 v
Arent all the headers on the mobo 12V? i tried the fans first on the mobo, but i couldnt reduce the speed, all were at max. The PSU is really bugging me, i was looking for an excuse to buy a modular PSU, but i dont really have the money right now.
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post #8 of 17
Quote:
Originally Posted by sollaris View Post

Arent all the headers on the mobo 12V? i tried the fans first on the mobo, but i couldnt reduce the speed, all were at max. The PSU is really bugging me, i was looking for an excuse to buy a modular PSU, but i dont really have the money right now.

They are 12v and you can regulate them via BIOS or a program like speedfan. Some older mobos have 5v headers.

Sorry, I cant help much with the PSU. How old is the PSU?
post #9 of 17
Thread Starter 
Quote:
Originally Posted by Sethy666 View Post

They are 12v and you can regulate them via BIOS or a program like speedfan. Some older mobos have 5v headers.
Sorry, I cant help much with the PSU. How old is the PSU?

Not very, 2 years at the most. How can u change the voltage on the mobo? I have a maximus IV gene z. I couldnt find anything, only something about q-fan control. Is there something specific about voltages?
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post #10 of 17
Quote:
Originally Posted by sollaris View Post

Not very, 2 years at the most. How can u change the voltage on the mobo? I have a maximus IV gene z. I couldnt find anything, only something about q-fan control. Is there something specific about voltages?

Easiest way is to d/l Speedfan and reduce the fan speed by that.

http://www.almico.com/sfdownload.php
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