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Corsair H100 / H80 / H60 noise, grinding pump - *fix* + official Corsair response - Page 26

post #251 of 1734
Quote:
Originally Posted by wlw wl View Post

mikk_ - well that unfortunately happens sometimes - the diode patch works in ~90% of the cases, you're just unlucky (or there is some X factor that determines that 10%). These symptoms on the replacement cooler are with, or without the adapter?

I know that it has worked for most of the users and I'm happy with that and I appreciate all your work on this don't get me wrong. It is just that when you return your defective unit and don't expect new one to be defective at all biggrin.gif And yes, I tried it with the adapter, rpm dropped to -2000rpm. And as I thought it is something that is loose inside the pump. Well I got my money back and will be using air cooling or custom loop now on.
Really big thanks to wlw wl and all of you smile.gif
Nice to see that corsair has found the problem.
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post #252 of 1734
Quote:
Originally Posted by CorsairGeorge View Post

Okay quick update guys - we've tracked down the root cause, it's a tolerance issue in the ceramic bearing around the pump shaft. It affects only a small number of units, but we've immediately tightened the screening process for these components so we can assure this won't happen any longer in production.
Once we have the new production units in-house, I'll post a method for those of you who want them to RMA your unit for them.
Keeping you updated as promised - I'll post more when we have the units in-house.
I can tell you the overall return rate on H100 is very, very low single digits. Like, below a mortgage rate. I realize that doesn't help those of you with the problem, but if you haven't purchased one yet, keep in mind that for every person with an H100 problem there's almost 100 people without a problem.

I hope that Corsair will offer a fair RMA procedure for those affected by the issue (for Canadian customers as well) since it -is- a manufacturing oversight and in essence, "defective"/"not working as intended".
Edited by expy - 5/26/12 at 2:56pm
post #253 of 1734
Darn it. I just put together my very first gaming rig two weeks ago and I just happen to get the H100 batch 12129403 and within a week the buzzing started. I contacted wlw to see if I can get his molex hack so I can at least get my girlfriend off my back about the noise. What does everyone think if the molex hack works should I just let it be. Or should I rma it as soon as the fixed batches come out? And I've never had to rma anything before so this would be my first time.
 
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post #254 of 1734
I really hope they do offer a decent RMA process, as I cannot suffer the downtime caused by it, I'd have to fit a temporary cooler which means more effort on my part to fix something that shouldn't be broken.

My rattling is more intermittent, it can come on at any time and go at any time. It's not that consistent unfortunately, so with my luck I'd send it back and they wouldn't find an issue with it.
post #255 of 1734
I promise we'll make the RMA process as pain-free as possible.
post #256 of 1734
I hope someone can post a method soon (I am not trying to sound hesitated but I am so excited). At the same time I don't want to be someone who is going to RMA it's H100 for more then 3-5 times because each one of them seem to be faulty.
post #257 of 1734
Quote:
Originally Posted by CorsairGeorge View Post

I promise we'll make the RMA process as pain-free as possible.

Thanks, hopefully the new batch comes soon.
post #258 of 1734
Quote:
Originally Posted by wlw wl View Post

It's not out yet, you just got lucky that your replacement was actually better.
By surging you mean that it runs the fans at full speed for a couple of seconds and then slows down? Actually that is a normal behavior as far as I know. It's also common among the motherboards to run all the fans briefly at 100% at startup, shutdown or both.

It actually does this. Here is the thread I made about it with video.

http://www.overclock.net/t/1259050/slight-surge-in-power-when-starting-new-build-video

I can't seem to really win 100%.
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post #259 of 1734
Quote:
Originally Posted by CorsairGeorge View Post

I promise we'll make the RMA process as pain-free as possible.

this is my 4th h100 that i replaced from the retailer (scan malta). i am still under the return policy so i won`t rma my h100.

When could we expect the new "FIXED" h100s to be available? and how can we identify them?....maybe with new batch codes?

I had to run my pump with 2x 1N4007 diodes to eliminate the grinding noise, but i was pushing only 10.5volts to the h100 which is quiet low so i reverted to 12.1volts

I will wait for the revised h100 to arrive to europe and hopefully scan malta will exchange my h100 for the LAST time!!!
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post #260 of 1734
Thread Starter 
I'm actually wondering if it will be H100 REV 2.0 or just the screening process will be tighter to eliminate the units with loose shaft/bearing from ever reaching the stores.

The first solution would have to result in a) a recall of "old" H60/80/100 or b) a price drop of those units, which would then sell like hot cakes when people would figure out that they can be fixed relatively easily. I feel NDA coming tongue.gif
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