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[Official] Antec Kühler H2O 620 & 920 Owners Club - Page 152

Poll Results: Which Antec cooler do you own?

 
  • 53% (152)
    Antec Kühler H2O 620
  • 46% (130)
    Antec Kühler H2O 920
282 Total Votes  
post #1511 of 6068
Damn it. I got my 620 and it has started to make a weird rattling sound now all of a sudden, its coming from the pump, I had it turned on for the past 2 hrs jumping an old PSU, while the noise has gone down a bit, t he thing wont stop the rattle! I shook the rad a lot of times, not helping. my friend has one and his one makes zero noise. what should I do? frown.gif
post #1512 of 6068
Quote:
Originally Posted by TheBirdman74 View Post

Damn it. I got my 620 and it has started to make a weird rattling sound now all of a sudden, its coming from the pump, I had it turned on for the past 2 hrs jumping an old PSU, while the noise has gone down a bit, t he thing wont stop the rattle! I shook the rad a lot of times, not helping. my friend has one and his one makes zero noise. what should I do? frown.gif

Did you try shaking both the pump and the radiator at the same time while the pump is running? I shook the crap out of mine, turned the radiator upside-down left-side right, etc., just trying to move water and air around to get bubbles out.

I also ran furmark at max settings and intentionally unplugged the radiator fan to heat the water up in an effort to move more of the air bubbles around. I let it get up to around 90C before I plugged the fan back in (my gtx470 is rating up to 105C).

All of these things seemed to help, because at first it was very loud, but now it is faint. I can't hear it when my head's above the desk and I can only hear it when I stick my head under the desk. Even then, I have to be within 3-4 feet of the computer to actually hear it, so I think that these things helped. I'm hoping that over the next few days of use, it will subside even more, but we'll see. I submitted a support ticket to Antec asking about the issue.
post #1513 of 6068
Quote:
Originally Posted by lukeman3000 View Post

Did you try shaking both the pump and the radiator at the same time while the pump is running? I shook the crap out of mine, turned the radiator upside-down left-side right, etc., just trying to move water and air around to get bubbles out.
I also ran furmark at max settings and intentionally unplugged the radiator fan to heat the water up in an effort to move more of the air bubbles around. I let it get up to around 90C before I plugged the fan back in (my gtx470 is rating up to 105C).
All of these things seemed to help, because at first it was very loud, but now it is faint. I can't hear it when my head's above the desk and I can only hear it when I stick my head under the desk. Even then, I have to be within 3-4 feet of the computer to actually hear it, so I think that these things helped. I'm hoping that over the next few days of use, it will subside even more, but we'll see. I submitted a support ticket to Antec asking about the issue.

Thanks for the reply Bud frown.gif I actually installed one of these a few months back for a friend and these units are supposed to be very quite, it may make some air bubble noise for the first hr or so but after that you cant hear it even if you leave your case open, there is some noise but not audible unless you are 3 - 4 centimeters close, not 3 - 4 feet.

I tried all the methods you described above, but didn't really help. The Noise I got is a slight grinding noise, I did some research and looks like its a bearing issue that some people were able to fix by running a small magnet across it to reset the bearing.. Its basically a faulty unit, I think I am gonna RMA mine, you should too (if yours dont get better)

they are suppose to run silent, these things.
post #1514 of 6068
Quote:
Originally Posted by TheBirdman74 View Post

Thanks for the reply Bud frown.gif I actually installed one of these a few months back for a friend and these units are supposed to be very quite, it may make some air bubble noise for the first hr or so but after that you cant hear it even if you leave your case open, there is some noise but not audible unless you are 3 - 4 centimeters close, not 3 - 4 feet.
I tried all the methods you described above, but didn't really help. The Noise I got is a slight grinding noise, I did some research and looks like its a bearing issue that some people were able to fix by running a small magnet across it to reset the bearing.. Its basically a faulty unit, I think I am gonna RMA mine, you should too (if yours dont get better)
they are suppose to run silent, these things.

I would like to know more about this magnet thing.. Since I've lapped my 620 and have it strapped to the die, it'd be great to not have to pull it off (and do it all over again after an RMA). Do you have any links? I'd love to fix it myself if at all possible.

Edit: After some searching, this is what I found:
Looks interesting, and I think that my problem is likely bearing related. My only question is if I have to keep the magnet taped to the pump forever, or if I can take it off after so long? I would hope that it could be fixed by a treatment, because leaving a magnet taped to the pump isn't an option as I don't have enough space between my two graphics cards.

The video may address this question, but I can't watch it at work because I have no sound. I'll check it out when I get home, but if someone else watches it, tell me what it says.
Edited by lukeman3000 - 2/25/12 at 3:06pm
post #1515 of 6068
Quote:
Originally Posted by lukeman3000 View Post

I would like to know more about this magnet thing.. Since I've lapped my 620 and have it strapped to the die, it'd be great to not have to pull it off (and do it all over again after an RMA). Do you have any links? I'd love to fix it myself if at all possible.
Edit: After some searching, this is what I found:Looks interesting, and I think that my problem is likely bearing related. My only question is if I have to keep the magnet taped to the pump forever, or if I can take it off after so long? I would hope that it could be fixed by a treatment, because leaving a magnet taped to the pump isn't an option as I don't have enough space between my two graphics cards.
The video may address this question, but I can't watch it at work because I have no sound. I'll check it out when I get home, but if someone else watches it, tell me what it says.

Just RMA it man, and tell them to test the new unit.before sending it to you. That's the video alright, I can see how the magnet fix can solve the problem but I rather RMA it, mainly because I'd probably have to leave the magnet there(which doesn't look very cool when you have a window) and even if I used a larger speaker type magnet to run over the thing a few times, it might just go back to its old grinding noises in a few months / year when the bearing goes out of place again. So I rather start off with a good unit. This time before you lap it, just test it with a spare PSU for an hr or so. Just to be sure.

edit: does lapping the concave finish really help much? how are you lapping it? I am guessing you could just do it with a small piece of sand paper and your fingers? or do you need a block? what grit paper are you finishing it off with, I think I only got 800 100 and 1500 at home. smile.gif
Edited by TheBirdman74 - 2/25/12 at 4:05pm
post #1516 of 6068
Mine went away after a couple of days. biggrin.gif Putting the cpu underload seems to be effective. smile.gif
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Evil Pc of Evil
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post #1517 of 6068
Hello all , my first little sys , FX 4100 , 620 h2o dan 032.JPG 2728k .JPG file mario.gif
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Rp 452 res with 2 x D5 varios and DD Cp pro for... Arqtic dual TEC chiller with 2-400watt Qmax tec... Ek supreme Cpu block with modified plate and 2 ... 9 x CM 120 mm R4 fans-1 x 140 Bitfenix Pro fan ... 
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post #1518 of 6068
Quote:
Originally Posted by TheBirdman74 View Post

Just RMA it man, and tell them to test the new unit.before sending it to you. That's the video alright, I can see how the magnet fix can solve the problem but I rather RMA it, mainly because I'd probably have to leave the magnet there(which doesn't look very cool when you have a window) and even if I used a larger speaker type magnet to run over the thing a few times, it might just go back to its old grinding noises in a few months / year when the bearing goes out of place again. So I rather start off with a good unit. This time before you lap it, just test it with a spare PSU for an hr or so. Just to be sure.
edit: does lapping the concave finish really help much? how are you lapping it? I am guessing you could just do it with a small piece of sand paper and your fingers? or do you need a block? what grit paper are you finishing it off with, I think I only got 800 100 and 1500 at home. smile.gif

Although I'd like to have a unit that works right from the start, I just hate the idea of waiting for the whole RMA process, lapping the 620 again, and re-attaching it to the gpu (with zipties). I just want to be done with it lol.

As far as the lapping goes, I haven't personally verified if or how much of a difference it makes. However, I did notice that the 620 definitely seemed to be a concave surface (as much as my eye could tell), so it made sense that I would want it to be flat. Especially since it's against the mirror-like surface of the die. But it may not actually make a huge difference; I didn't care enough to go through the trouble to do thes testing to find out.

I'll try to post the process that I followed to lap it. I found a better description of the process online than what is in the guide here. I didn't use my fingers (I did the first time) -- I used a piece of glass from a picture frame and moved the cooler head itself instead of moving the sandpaper. I'll post with more details later -- leaving work.

@Bogey1337 -- I'm assuming that you have your 620 hooked up to your CPU and so you put it under load to heat up the water in an effort to get rid of air bubbles. IMine is hooked up to my gtx470 (graphics card), and I used a gpu stress test (furmark) to do the same thing. I even intentionally unplugged the radiator's fan to let the temps get higher. Didn't really do much, because I think I have a bearing-related problem, and not an air bubble problem.
Edited by lukeman3000 - 2/25/12 at 5:37pm
post #1519 of 6068
Quote:
Originally Posted by lukeman3000 View Post

Did you try shaking both the pump and the radiator at the same time while the pump is running? I shook the crap out of mine, turned the radiator upside-down left-side right, etc., just trying to move water and air around to get bubbles out.
I also ran furmark at max settings and intentionally unplugged the radiator fan to heat the water up in an effort to move more of the air bubbles around. I let it get up to around 90C before I plugged the fan back in (my gtx470 is rating up to 105C).
All of these things seemed to help, because at first it was very loud, but now it is faint. I can't hear it when my head's above the desk and I can only hear it when I stick my head under the desk. Even then, I have to be within 3-4 feet of the computer to actually hear it, so I think that these things helped. I'm hoping that over the next few days of use, it will subside even more, but we'll see. I submitted a support ticket to Antec asking about the issue.

May be a voltage problem, had same thing, unplugged CPU connection and plugged it into my fan controller ,it worked fine at an indicated 1400 rpm then dialed it back to 1150 rpm and the noise came back. If it is a magnet problem it may not have enough voltage, I hope that helps because the noise is aggravating.wheee.gif
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Crucial M4 SSD Samsung Sony 24X Tfc Monsta 420 and Tfc Xchanger 360 
CoolingCoolingCoolingCooling
Rp 452 res with 2 x D5 varios and DD Cp pro for... Arqtic dual TEC chiller with 2-400watt Qmax tec... Ek supreme Cpu block with modified plate and 2 ... 9 x CM 120 mm R4 fans-1 x 140 Bitfenix Pro fan ... 
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Double Vision
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Crucial M4 SSD Samsung Sony 24X Tfc Monsta 420 and Tfc Xchanger 360 
CoolingCoolingCoolingCooling
Rp 452 res with 2 x D5 varios and DD Cp pro for... Arqtic dual TEC chiller with 2-400watt Qmax tec... Ek supreme Cpu block with modified plate and 2 ... 9 x CM 120 mm R4 fans-1 x 140 Bitfenix Pro fan ... 
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7 Ultimate Phillips 234 23 inch Logitech G110 Seasonic X-1250 
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post #1520 of 6068
definitely sucky bearings guys mad.gif I just took a speaker magnet close to the unit and the grinding noise goes away, left it there for a few seconds and repeated many times, the noise only goes away when the magnet is there, as soon as you take the magnet away the grinding is back. Sucks, I am definitely replacing this unit. Hope I get a good working one in return. frown.gif
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