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  1. #1
    ROG Member Array
    Join Date
    Dec 2018

    Ryujin 360 fans not starting up

    Hi Team,

    I have a Ryujin 360 setup on my Rog Zenith Extreme motherboard with a 2950x. I have my fans hooked up to the cooler, the cooler is hooked up to the CPU_FAN header, SATA power, and hooked up to the USB 2.0 header. When I boot the system it posts and loads UEFI but the fans mounted to the radiator don't start and I don't see any info for the pump or associated fans showing up in monitor. Do I need to do anything in the UEFI to get it recognized? I don't have windows installed yet either so haven't installed the AI Suite or Live Dash.

    The oled starts up and shows the ROG logo animated on the cooler but never shows temp or anything else on the OLED.

    Thanks in advance

  2. #2
    ROG Guru: Blue Belt Array mdzcpa PC Specs
    mdzcpa PC Specs
    MotherboardMaximus Hero XI
    Processor9900k @ 5.1Ghz All Core 1.315v AVX -2
    Memory (part number)Gskill GTZ 4133 C17 32GB (4x8GB)
    Graphics Card #1ROG Strix 2080 TI OC
    Sound CardOn Board
    MonitorROG PG348Q
    Storage #1Samsung 970 Pro M.2 512GB for OS & APPS
    Storage #2Samsung 970 Pro M.2 1TB for GAMES
    CPU CoolerROG Ryujin 360
    CasePhanteks Evolv X
    Power SupplySeasonic Prime 1000W Titanium
    Keyboard Corsair K70 LUX RGB
    Mouse Corsair M65 RGB
    Headset Corsaur VOID Pro
    Mouse Pad Corsair MM300 Wide Desk Mat
    OS WIN 10 Pro
    Network RouterLinksys VELOP
    Accessory #1 ROG 751JY Laptop for Moobile Gaming
    Accessory #2 Koolance EXC-800 Chiller
    Accessory #3 25+ years of overclocking

    Join Date
    Nov 2011

    Double check power to that SATA connector and inspect closely the fan connectors for any loose wires.

    Nothing needs to be set up in UEFI. Without any programs loaded the fans should default to full speed.

  3. #3
    ROG Member Array
    Join Date
    Dec 2018

    all sorted

    Not sure what did it but I re-secured all connections and rebooted the system, once it came up all fans came to life and show a speed in UEFI

  4. #4
    New ROGer Array
    Join Date
    Feb 2020

    Hi I just bought Ryujin 360 and sometimes it doesn't start when windows startup, I think is an armoury crate problem, because, when ryujin doesn't star I open armoury crate and reloads the ryujin profile and then everything goes back to normal, fans stars working an old shows info correctly, I don't know how to fix this, anyone has any idea?.

  5. #5
    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

    Found this thread on Google.. looking back at the timestamps it is safe to assume that nobody at ASUS gives any sh.. I guess. Here's a short summary if more people stumble upon this post:

    ROG Ryujin is a "smart" cooler -> someone at ASUS thought it would be a good idea to connect the fans directly to the pump instead of the mobo, so it seems like a "full-software" control. This software is Armoury Crate (Devices -> Ryujin -> Fan Control). When the CPU is relatively cool, the software stops the fans (both the radiator and the "micro fan" sitting on the pump) completely, which is OK for light loads. The problem: it often "forgets" to turn them back on! Maybe some monitoring service just exits at some point, just a wild guess.

    Use-case #1: I got back to Desktop after a gaming session and saw that the CPU (Ryzen 9 5950X) was approaching 90°C! Fans were standing still for hours.
    Use-case #2: I installed some software, needed multiple reboots, at some point the system wouldn't boot - CPU thermal alert! You guessed it, the fans on the Ryujin's rad were standing still.
    Use-case #3: uninstalled Armoury, had trouble re-installing, in the meantime the CPU was hitting 90°C again due to the fans standing still...

    Windows 10 Build 19042.746. The question is: does ASUS really not get the fact that they produce one of the crappiest software in the world in terms of stability and bugs? How can a sane person give control over CPU cooling to such a software? I guess I'm done with that one and will just connect the rad fans to a CPU_FAN header.
    Last edited by vadimzuev90; Today at 02:56 PM.

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