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Corsair H100 pump noise - Page 2

post #11 of 63
i own an H100 and like Splashy said you problably have a miss mounted back plate, however on my H100 the only time i can hear the pump is when i turn my fan controlers all the way down and have the H100 set to max preformance then the pump makes an audible (for the lack of a better description) pumping noise.
post #12 of 63
Thread Starter 
I cycled through the three fan speeds on the controller a couple times and it seems to have made a difference in pump noise. It's quite a bit quieter now.
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post #13 of 63
Might be late to the party but I just this week finished building a 2700K rig and I too purchased a Corsair H100 that ended up having a terrible "hard drive" grinding sort of sound.

I was dismayed to say the least. Just imagine... built a brand new 2700K, clocked it to 4.9ghz stable right out of the box, motherboard working perfect, CPU working perfect, 1T dual 600gb Velociraptor RAID0 working flawlessly, new GTX 570 working flawlessly and everything humming right along perfect and it turns out that the CPU cooler pump is making such a din that I thought I was going to go insane. Very upsetting. As I rolled around in bed cursing through my dreams I pretty much was kicking myself in the teeth for even *thinking* about going away from air cooling (which I love).

So, resigning myself to just send the H100 back or else do a youtube vid of me pounding the pump with a sledgehammer (seriously, I was thinking about that)...I wake up this morning and remove the radiator and pump from the new build.

Since my old Q6700 rig is still whole and ready to go, I just hook it back up and leave the new machine until I can work out my ghey ass H100 problem (was going to order a Noctua or Thermalright on Monday).

And just for kicks, I take the H100 and hook it up to a spare 4pin molex I have connected to my old Q6700 which was running, of course. And sure enough, I'm holding the radiator in one hand and the pump in the other and it's making that awful freaking noise that it made all night. Then, knowing I was going to send it back or bash it, I just start twisting the hell out of the pump and tubing...also the radiator...I shake it around a bit...I twist it some more (all of this while it's still running mind you) ... and the noise continues but changes a bit.

My interest piqued, I twist some more, bend some more and shake some more...both the radiator and the pump...all while it's running off that power line from my other system...and lo and behold, I hear the grinding sound start to even out a bit...and then squelch out completely. It totally disappeared.

Freaky as freak, I say.

Anyway...twelve hours or so now and it's still quiet.

I'm still going to order me another top end air cooler (I have a TRUE but it's staying with my Q6700) but for now, the H100 is functional and quiet.

Also, a note about "quiet" ... there *is* some noise from the pump. I really don't see how it could circulate water at 2000rpms or so and not make a sound but it is certainly not loud and you have to get your ear up next to it to hear it. But before there was certainly an error. Even with the H100 fans at FULL speed, the grinding would just slice right through the fan sounds. Worst thing ever considering the work I put in to building the machine and the fact that 50% of the time it's an audiophile type music server feeding some fairly high end DAC and amplifier equipment (I need to be able to make the machine silent when listening).

My old machine is stil capable of being more quiet. At stock speeds and with the TRUE, I can ramp that sucker down to nearly inaudible. The new machine, now that I've got the pump noise fixed, is quiet, but perhaps 10% less than the old machine. For that reason, I will most likely end up on air for my 2700K. I only run my machines overclocked when doing video work or gaming and so the majority of the time I am at stock.

The H100, in it's defense, *does* cool better than any air cooler I've tried so far (my experience only) ... and it's a novel thing to play with ... I'll most likely leave it hooked up for a good while if it keeps behaving. All day, I've been idling 5 to 7 degrees over ambient and that's nothing to shake a stick at.

Anyway ... if your still having noise problems (to any of the poor millions of losers like me out there) ... try removing your H100 completely. Hook it up to the molex of another computer and rough it up a bit ... don't bend the tubes until they actually bind or pinch or anything but shake it around and bend the tubes decently in a bunch of different directions WHILE it's running in your hands. Do this for a bit and see if you can work out the kinks. We shouldn't have to resort to such crap, I know ... but personally, I found it more convenient than an RMA.

Best.

joel
    
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post #14 of 63
Did the same thing with mine. Removed it from the machine as it started ticking and then stopped andthen I noticed my temps rising. Once out of the case , I had an old school psu that had an inline switch. Turned it on and same noise then the psu went into fault mode and shut down. Never started back up. RMA was less than 10 days. Customer support is always premium with Corsair. I just wish they could sort the pump issues out as it seems to affect the whole "H" series of coolers.
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post #15 of 63
Guys, the issue is with the pump spinning faster than 2000rpm. If your psu supplies 12v+ then you will have the grinding noise. I just purchased an H100 and H80 and both were doing the grinding pump noise. I connected the 4pin molex to 3pin to my fan controller and the grinding noise is gone.

Here is the thread over at corsair. Page 22 has the fix without using a fan controller.
Warning: Spoiler! (Click to show)
post #16 of 63
The two H20 lines coming out of the water block slightly vibrate. If they are touching each other they will make a grinding HDD noise. I think a lot of the time that peoples magically get quite after going this or that is really them just coincidentally separating the lines from touching.
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post #17 of 63
Quote:
Originally Posted by mksteez View Post

Guys, the issue is with the pump spinning faster than 2000rpm. If your psu supplies 12v+ then you will have the grinding noise. I just purchased an H100 and H80 and both were doing the grinding pump noise. I connected the 4pin molex to 3pin to my fan controller and the grinding noise is gone.
Here is the thread over at corsair. Page 22 has the fix without using a fan controller. Warning: Spoiler! (Click to show)

Dude.

You are EXACTLY right!

Sweet lord. I just hooked up the four pin molex to a powered fan controller head (sunbeam rheobus) and the pump is now DEAD silent. Not only still no awful grinding noise, but I can't even hear what I THOUGHT was regular pumping/swishing noise. Dead silent. Freaking awesome.

Another thing...whereas previously when just running the H100 off of the standard 4pin PSU molex, speed fan showed around 2300 RPM, now...with the fan controller powering/running the pump, it shows 3100rpm...strange that...but absolutely silent operation at the same time. Also, I know it's functioning as speedfan shows 1/1 drops in RPM as I power the fan controller knob down.

Beautiful.

Thanks.

.joel
    
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post #18 of 63
Im glad it worked! thumb.gif

Still though, what a design flaw by Corsair
post #19 of 63
Quote:
Originally Posted by s1rrah View Post

Might be late to the party but I just this week finished building a 2700K rig and I too purchased a Corsair H100 that ended up having a terrible "hard drive" grinding sort of sound.
I was dismayed to say the least. Just imagine... built a brand new 2700K, clocked it to 4.9ghz stable right out of the box, motherboard working perfect, CPU working perfect, 1T dual 600gb Velociraptor RAID0 working flawlessly, new GTX 570 working flawlessly and everything humming right along perfect and it turns out that the CPU cooler pump is making such a din that I thought I was going to go insane. Very upsetting. As I rolled around in bed cursing through my dreams I pretty much was kicking myself in the teeth for even *thinking* about going away from air cooling (which I love).
So, resigning myself to just send the H100 back or else do a youtube vid of me pounding the pump with a sledgehammer (seriously, I was thinking about that)...I wake up this morning and remove the radiator and pump from the new build.
Since my old Q6700 rig is still whole and ready to go, I just hook it back up and leave the new machine until I can work out my ghey ass H100 problem (was going to order a Noctua or Thermalright on Monday).
And just for kicks, I take the H100 and hook it up to a spare 4pin molex I have connected to my old Q6700 which was running, of course. And sure enough, I'm holding the radiator in one hand and the pump in the other and it's making that awful freaking noise that it made all night. Then, knowing I was going to send it back or bash it, I just start twisting the hell out of the pump and tubing...also the radiator...I shake it around a bit...I twist it some more (all of this while it's still running mind you) ... and the noise continues but changes a bit.
My interest piqued, I twist some more, bend some more and shake some more...both the radiator and the pump...all while it's running off that power line from my other system...and lo and behold, I hear the grinding sound start to even out a bit...and then squelch out completely. It totally disappeared.
Freaky as freak, I say.
Anyway...twelve hours or so now and it's still quiet.
I'm still going to order me another top end air cooler (I have a TRUE but it's staying with my Q6700) but for now, the H100 is functional and quiet.
Also, a note about "quiet" ... there *is* some noise from the pump. I really don't see how it could circulate water at 2000rpms or so and not make a sound but it is certainly not loud and you have to get your ear up next to it to hear it. But before there was certainly an error. Even with the H100 fans at FULL speed, the grinding would just slice right through the fan sounds. Worst thing ever considering the work I put in to building the machine and the fact that 50% of the time it's an audiophile type music server feeding some fairly high end DAC and amplifier equipment (I need to be able to make the machine silent when listening).
My old machine is stil capable of being more quiet. At stock speeds and with the TRUE, I can ramp that sucker down to nearly inaudible. The new machine, now that I've got the pump noise fixed, is quiet, but perhaps 10% less than the old machine. For that reason, I will most likely end up on air for my 2700K. I only run my machines overclocked when doing video work or gaming and so the majority of the time I am at stock.
The H100, in it's defense, *does* cool better than any air cooler I've tried so far (my experience only) ... and it's a novel thing to play with ... I'll most likely leave it hooked up for a good while if it keeps behaving. All day, I've been idling 5 to 7 degrees over ambient and that's nothing to shake a stick at.
Anyway ... if your still having noise problems (to any of the poor millions of losers like me out there) ... try removing your H100 completely. Hook it up to the molex of another computer and rough it up a bit ... don't bend the tubes until they actually bind or pinch or anything but shake it around and bend the tubes decently in a bunch of different directions WHILE it's running in your hands. Do this for a bit and see if you can work out the kinks. We shouldn't have to resort to such crap, I know ... but personally, I found it more convenient than an RMA.
Best.
joel

This!, happened to me 1 month ago, regreat the day i went with the h100, now im using my old Tt Frio.
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post #20 of 63
Quote:
Originally Posted by s1rrah View Post

Dude.
You are EXACTLY right!
Sweet lord. I just hooked up the four pin molex to a powered fan controller head (sunbeam rheobus) and the pump is now DEAD silent. Not only still no awful grinding noise, but I can't even hear what I THOUGHT was regular pumping/swishing noise. Dead silent. Freaking awesome.
Another thing...whereas previously when just running the H100 off of the standard 4pin PSU molex, speed fan showed around 2300 RPM, now...with the fan controller powering/running the pump, it shows 3100rpm...strange that...but absolutely silent operation at the same time. Also, I know it's functioning as speedfan shows 1/1 drops in RPM as I power the fan controller knob down.
Beautiful.
Thanks.
.joel

I wanted to add that I made a inline 4 pin molex connector with a 1N4002 diode, the pump is now dead silent! biggrin.gif The RPMs before were at 2200 and after 1960. Dont confuse this grinding rattle noise with air in the pump, that is a totally different sound. Props to that guy on the corsair forums for finding this

Easy mod to do

IMG_6808.JPG
IMG_6810.JPG
Edited by Erik in sac - 2/27/12 at 8:31pm
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