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Corsair H100 / H80 / H60 noise, grinding pump - *fix* + official Corsair response - Page 17

post #161 of 1647
5/13/12 at 7:19am
Ooh thanks mate for u r help i was able to made voltage dropper myself, here is a pic, and now that irritating sound is gone, thanks again.thumb.gifthumb.gifthumb.gifthumb.gifthumb.gifthumb.gifthumb.gifthumb.gifthumb.gif

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post #162 of 1647
5/13/12 at 8:07am
Thread Starter 
stev067 - when one 1N4001 isn't enough, I usually provide another adapter that has 1N5819 to combine both adapters, this mean a total drop of about 1,6V instead of 2,0V which gives a bit higher RPM. Two 1N4001s are good too, as long as the temperatures aren't affected smile.gif

jayeshdc - is that for an H60?
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post #163 of 1647
5/13/12 at 9:36am
I am having this same problem with the grinding noise on my Corsair H80. I tried connecting the pump with the three pin connector to my mb so I could maybe control the speed hoping that would do something but when I have only the three pin connected neither the pump or the fans will power up. I would love some help with this on how to fix the noise.
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post #164 of 1647
5/13/12 at 9:48am
Sorry I was so hasty and didn't read up much first, fiddling around with this cooler has brought me to a point of anger and exhaustion. I have read now about the dropper fix and it sounds like an amazing fix.
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post #165 of 1647
5/13/12 at 10:22am
hey "wlw wl"

Yes its for h60,wink.gif i was also wondering if could use 1N5819, unfortunately that's not available at the time, but then i figured out, running them at low rpm wont damage the pump, works like a charm rolleyes.gifrolleyes.gifrolleyes.gif

hey ur "dropper mkII" looks nice u could add a male 3pin connector for convenience
Edited by jayeshdc - 5/13/12 at 10:32am
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post #166 of 1647
5/13/12 at 10:28am
Thread Starter 
hoppingpulse - that 3-pin connector is just a speed sensor signal. You'd need an adapter to connect the H80 to motherboard fan header.

jayeshdc - nice job smile.gif For the H60 however, you can just use a motherboard fan header and slow down the pump with some fan management software, such as SpeedFan.
I could add a fan header to the adapter, but it's mostly aimed at H80 and H100, since H60s can be slowed down through the motherboard fan header without any external components.
The difference between 1N4001 and 1N5819 is only about 50 - 80 RPM, so it's not really that massive.
Edited by wlw wl - 5/13/12 at 12:42pm
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post #167 of 1647
5/14/12 at 1:21am
Hello Wlw Wl,

I was in contact with you yesterday about a shipment of a voltage dropper, however I am limited to two PMs aday and couldn't get back to you.

I am very interested in getting one and paypal works just fine.

You can PM me your details but I won't be able to give you any replies until this evening or so except through this thread.

Thanks again for the great work!

Will update later with a vid of how it went.
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post #168 of 1647
5/14/12 at 12:32pm
As an update to my last post about a single 1N4001 Diode dropper not killing the noise, I've now put two 1N4001 droppers in series, and the noise is gone. However the RPM of the pump is now 1638-1683 and if I'm not mistaken that's a bit too low. Though my temperatures under Prime95 are the same +/- 1 degree celcius.

I have available to me these choices of diode packs at the local electronic store, I have basic soldering skills, and the tools to make the droppers, but my knowledge of diodes is quite small. Would any of these perhaps work better than two 1N4001's in series, maybe drop the voltage a bit less. I don't know anywhere that can get me a single 1N5819 diode.

25 pack of Assorted Rectifier diodes. 10pc: 1N4001, 5pc:1N4002, 5pc:1N4004, 5pc: 1N4007.

3 A Barrel diodes: Type: 1N5404. 400 PIV. 2 per pack.

Micro Diodes: Type: 1N4001. 50 PIV. 2 per pack.

Rectifier diodes. Rated 6 amps. 50 PIV. For replacement and power supplies. 4 per pack. Axial mounted for general purpose applications.
Features a 400amp surge rating (for ½ cycle) (this one doesn't seem to have a 1N number?)
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post #169 of 1647
5/14/12 at 12:44pm
Thread Starter 
strokarn - I have PMed you my e-mail.


Larhleolynx - Replacing the 1N4001 with 5819 would raise the RPM a little, and by little I mean little, like 50-80 RPM perhaps.

If the temperatures are only marginally higher, keep the two 1N4001 and be happy smile.gif
If you have fans connected to the cooler, the higher temperature might be due to the fans spinning slower at the 10V as opposed to the full 12V and no the pump being less efficient.

That diode must be very big, if it's rated at 6 Amperes. Without it's designation you can't tell what the forward voltage of the diode is, therefore you don't know if it would work here at all.
Edited by wlw wl - 5/14/12 at 12:46pm
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post #170 of 1647
5/14/12 at 12:45pm
Hi wlw wl,

Thanks for info. I will try this later tonight or tomorrow and let you know.

Thanks for your help.

Carl


Grinding Noise On My Corsair H60 Pump from: wlw wl on May 14, 9:35 pm

Per spec, it's 2100RPM +/- 10%, but H60s ten to report double the speed they are actually running at, so you might see something like 4200RPM, just divide that by 2.

You can safely go down to 1700 - 1800RPM, just keep an eye on the CPU temp. Below 1700RPM it might go
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