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Exhaust fan blowing a gale!

  • 23-01-2020 10:21pm
    #1
    2ndcoming
    Registered Users, Registered Users 2 Posts: 3,588 ✭✭✭


    Hi lads,

    Just been having an issue with the rear exhaust fan, it's running of it's own accord from 1300 up to 2300rpm regardless of how I set it in the BIOS?

    For info it's an ASRock Z170 running an i5-7600k clocked to 4.5 with Corsair H80i AIO watercooler, Corsair fans one in front, one out the back.

    I set the intake fan on the same curve and it runs in the few hundred RPM range so it is confusing me a bit!

    One interesting thing, (maybe), is that the exhaust fan is in the Fan 1 header and reads as Fan 1 in the BIOS but HWMonitor reads it as Chassis fan 3, but there is none obviously.

    Any ideas?


Comments

  • #2
    2ndcoming
    Registered Users, Registered Users 2 Posts: 3,588 ✭✭✭2ndcoming


    Its's actually throwing in a dodgy reading of 19640rpm on both the BIOS and HW monitor as well.


  • #3
    ED E
    Registered Users, Registered Users 2 Posts: 36,170 ✭✭✭✭ED E


    Replace the fan, its PWM sensor is dead.


  • #4
    2ndcoming
    Registered Users, Registered Users 2 Posts: 3,588 ✭✭✭2ndcoming


    Thanks, I'll try that. Pretty sure there's a spare that came with the AIO.


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