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Fluctuations in fan speed. h100i v2

IndigeniusPro
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So I just bought a corsair h100i v2 AIO liquid cooler and it installed fine, but this being my first go around with AIOs. I am not sure that how much the fan speed fluctuates is normal? There is also an issue with corsair link not picking up the speed of the two radiator fans. I also switched out the fans it came with for SP120 led fans. 

One more thing, the temp I saw on my 6700k at stock clocks was around 29 idle, now it is a little higher. Is this normal as well. Any help is appreciated.

My rig: 

Fractal Design define r5

ASUS Z170 deluxe/USB 3.1

16gb Corsair vengeance pro(3000mhz)

Nvidia GeForce GTX 980 

Samsung 950 pro 512gb M.2 ssd

Intel core i7 6700k 

Edited by IndigeniusPro
just to add specs of rig
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Can you use your motherboard to control the fans instead of the H100i?

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19 minutes ago, Enderman said:

Can you use your motherboard to control the fans instead of the H100i?

I could try that, but had I known the cooler was quirky in this way I would have opted for true pwm fans instead.

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13 hours ago, IndigeniusPro said:

I could try that, but had I known the cooler was quirky in this way I would have opted for true pwm fans instead.

The led fans are dc and not pwm at all. If you want to control the fan speeds, you should be using dc and not pwm.

If you ever need help with a build, read the following before posting: http://linustechtips.com/main/topic/3061-build-plan-thread-recommendations-please-read-before-posting/
Also, make sure to quote a post or tag a member when replying or else they won't get a notification that you replied to them.

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On 9/16/2016 at 11:24 AM, WoodenMarker said:

The led fans are dc and not pwm at all. If you want to control the fan speeds, you should be using dc and not pwm.

Thanks I soon realized the issue about those led fans being dc and not pwm after I posted this thread, I will be sure to list more info next time. 

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Your problem is likely that you're running AIDA64 or HWinfo? for AIDA go to Preferences>Stability and make sure the "Corsair Link sensor support" box is checked and make sure the "Asetek LC sensor support" box is UNchecked. For HWinfo disable all monitoring of the AIO sensors/components. That should fix the fan issue when plugged into the AIO. The problem is bad coding in Link that fights for AIO control with other programs. You can test if this worked by setting the fan speed in Link to 100%, if it doesn't fluctuate you are set and can change the curve to whatever. If it doesn't then you still have a monitoring software interfering with the AIO/Link coms.

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Having issues with a Corsair AIO? Possible fix here:

Spoiler

Are you getting weird fan behavior, speed fluctuations, and/or other issues with Link?

Are you running AIDA64, HWinfo, CAM, or HWmonitor? (ASUS suite & other monitoring software often have the same issue.)

Corsair Link has problems with some monitoring software so you may have to change some settings to get them to work smoothly.

-For AIDA64: First make sure you have the newest update installed, then, go to Preferences>Stability and make sure the "Corsair Link sensor support" box is checked and make sure the "Asetek LC sensor support" box is UNchecked.

-For HWinfo: manually disable all monitoring of the AIO sensors/components.

-For others: Disable any monitoring of Corsair AIO sensors.

That should fix the fan issue for some Corsair AIOs (H80i GT/v2, H110i GTX/H115i, H100i GTX and others made by Asetek). The problem is bad coding in Link that fights for AIO control with other programs. You can test if this worked by setting the fan speed in Link to 100%, if it doesn't fluctuate you are set and can change the curve to whatever. If that doesn't work or you're still having other issues then you probably still have a monitoring software interfering with the AIO/Link communications, find what it is and disable it.

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