Question Corsair H150i RGB Pro XT (AIO CPU Cooler) - Can't change fan speeds ?

joemconnor93

Commendable
Aug 13, 2018
7
0
1,510
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Hi there,

I installed my Corsair H150i RGB Pro XT last night. Selected hardware specs for reference:

CPU: AMD Ryzen 5 3600 3.6 GHz
Motherboard: Asus TUF GAMING B550M-PLUS Micro ATX AM4
Memory: Corsair Vengeance LPX 16 GB (2 x 8 GB) DDR4-3600 CL18 Memory
Case: Lian Li PC-O11 Dynamic ATX Full Tower Case
Power Supply: Corsair RMx White (2018) 750 W 80+ Gold Certified Fully Modular ATX Power Supply

I swapped out the supplied Corsair ML120 fans with three Noctua NF-P12 1700 PWM fans I already had. These were confirmed working in other builds and my choice was mainly down to aesthetics.

The radiator is top mounted as an exhaust with the fans in a push configuration. I also have 6 Arctic P12 PWM PST fans as intakes, all of which are connected to a SATA-powered fan hub.

While all the Noctua fans on the radiator are spinning, I can’t seem to control them in the iCUE software. No matter which profile I apply, including custom ones, the fans stay at the following RPM:




Fan 2 is too loud at that RPM. I’d like to set them all to roughly 800-900 rpm.

I have confirmed the following:
  • The pump is connected to the USB header on the motherboard
  • Each 4 pin Noctua fan is connected to the fan splitter coming off the pump
  • The 3 pin connector coming off the pump is connected to the CPU fan header on the motherboard
  • The product is connected to a spare SATA power cable
Can anybody help? My first thought would be to retry with the supplied Corsair ML120 fans. Please let me know if there is anything else I can try! I have never attempted to control fan speeds through the BIOS.

Thanks!

EDIT:

An update:

I can get Fan#1 and Fan#3 to change with custom curves, but absolutely nothing I do will change Fan#2

Any help greatly appreciated!
 

Lutfij

Titan
Moderator
So all your fans are on the same fan hub? If so, then you're going to be seeing only one Fan's RPM being reported. If you swap connections for the fans on the splitter coming off the pump block, can you single out which header on the splitter is FAN2? You could try with the Corsair fans and see if the results vary. At which point it's possible that maybe the connection wasn't proper. I've recently faced a similar issue with a Phanteks PWM fan hub where the first PWM didn't want to work. Disconnecting it and reconnecting it 3 times, helped alleviate the issue.

Might want to also see if the AIO has any firmware updates.
 

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