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  1. #11
    New ROGer Array
    Join Date
    Nov 2020

    Quote Originally Posted by Samdalf View Post
    Hi, I hope I am in the right place. First build here and this has been driving me nuts. I noticed that the fans don't spin below 40% PWM setting in armoury crate.

    I have the ROG RYUJIN 360 connected to the AIO pump header with the fans connected to the AIO pump fan connector. SATA and usb 2.0 are also connected and everything works just about perfect. However, I noticed that the fans don't start spinning unless the PWM% is at least 40% in armoury crate. As of right now I changed the default smart mode setting of 30% PWM/30C to 40%/30C so there is some fan action going on.

    Is this normal or is there something I am missing? Any advice would be greatly appreciated. Thanks!
    I'm having exactly the same problem. Noctua fans are not rotating under 40% PWM.

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    Is there a solution so far?? Or should we have to set minimum PWM to 40% (870 rpm) so fans spin? My other concern is fans are very quite even at 40% so I started to think they are not rotating even at 870 rpm.

  2. #12
    ROG Member Array vadimzuev90 PC Specs
    vadimzuev90 PC Specs
    MotherboardROG Crosshair VIII Dark Hero
    ProcessorRyzen 9 5950X
    Memory (part number)F4-4000C15D-16GTRG
    Graphics Card #1MSI GTX 970 GAMING 4G
    MonitorLG 34GN850-B UWQHD
    Storage #1Samsung 980 Pro 1TB
    CPU CoolerROG Ryujin 360
    CaseROG Strix Helios
    Power SupplyROG Thor 850P
    Keyboard Corsair K95 RGB Platinum
    Mouse Corsair Dark Core RGB PRO SE
    Headset ROG Centurion 7.1
    Mouse Pad ROG Balteus Qi
    Headset/Speakers Edifier R1280T
    OS Windows 10 Pro
    Network RouterROG Rapture GT‑AC2900
    Accessory #1 ROG Throne Qi
    vadimzuev90's Avatar
    Join Date
    Dec 2018

    It is OK for those fans not to spin WHEN the CPU is cool, see my reply in a related thread:
    The issue (in my case) is that they don't start even if the CPU approaches very high temps..

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