ajdo Posted December 28, 2013 Share Posted December 28, 2013 Just received and built Air540 as none-gaming PC. When case fans (x3) run at idle (roughly 300RPM), they make a "clunking" noise. - The fans are screw-on tightly - When stopping fans from turning with my finger, "clunking" noise is still there - The only way to stop the noise is to unplug the fans Opened a ticket to have fans replace but I wonder if new fans will make the same noise at idle Has anyone notice this issue? Thank AJ Link to comment Share on other sites More sharing options...
wa3pnt Posted December 28, 2013 Share Posted December 28, 2013 I tried to do a search to find the minimum RPM that the fans will operate at properly, but I'm strapped for time this morning. I do not believe that the fans are designed to run at that low an RPM, but the Corsair gurus will have to chime in. At what minimum speed do they run without the clunking? RodeoGeorge Link to comment Share on other sites More sharing options...
wytnyt Posted December 28, 2013 Share Posted December 28, 2013 the ''clunking'' sound is probably the fan thats trying to maintain a smooth rpm.try running a minimum of 500 rpm and see if the noise disappears, im thinking its too low of an rpm ,hence a rma will not help... Link to comment Share on other sites More sharing options...
ajdo Posted December 28, 2013 Author Share Posted December 28, 2013 My motherboard is not recent and does not have the option to manually override the fan speeds. I'm waiting for the Corsair Link to do so. Although, I'm running Win8.1 and Corsair Link firmware & software don't seem to be ready at this point. When I'm in the Bios, the fans ramp-up to 720 RPM, I still hear the "clunking" noise :( I have a basic 120mm fan, hooked up to my PCU heat-sink running at 600rpm at idle that does not make any noise. Link to comment Share on other sites More sharing options...
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