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Old 09-03-2018, 04:13 AM
YaHaBoHo YaHaBoHo is offline
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Default H115i Cooler on Asus MB | Pump not running / blinking red

Hello all,

I have a ASUS ROG STRIX X470-F Gaming motherboard and I bought a H115i Cooler to replace the stock Wraith Prism fan on my Ryzen 7 2700X CPU. I connected everything as per the install istructions, but after I power-on, the cooler unit blinks red and I get a CPU fan warning. If I leave the PC powered on for more than one minute, CPU temp rises above 85C and I have to power-off to let it cool down. It looks to me like the pump is not running; the fans themselves (connected to the cooler splitter) seem to run normally.

I tried multiple things (see below) but regardless of what I do, I end up with a red-blinking cooler, a CPU fan warning, and an overheating CPU. On a side note, it was a pretty stressful troubleshooting process and I felt on the verge of frying my CPU each time I powered on that thing

  • Verified all connections
  • Changed Q-fan mode of CPU_FAN to : Disabled, PWM, DC
  • Moved the fan connector from CPU_FAN to AIO_PUMP

I have now put back the stock fan (and ran out of thermal paste in the process haha) and it works like a charm.

Any suggestions?

Thanks in advance!


Last edited by YaHaBoHo; 09-03-2018 at 06:19 AM. Reason: AIO_PUMP, not AIO_COOLER
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