That exactly what happend to mine koolance 205 , lost graphics on all info even with 3 different usb connections tried out. one of the reasons i bought this one . Really hopes this wont be a common issue , the Unit it worth twice the money as long as its stabile . If i may ask , is there a setting for the fans, 3 or 4 pin or does the controller understand the difference . just thinking that it may cause issues if not set right ??

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Just ordered aquaero 6 to replace my brand new Koolance 205 controller wich is not working ,sofware crashes and it suffers from interference from fans . flowmeter was going crazy with the third fan on one channel. just a product i was not very happy with, maybe i destroyed if with 4 pin fans . Anyway , not going to bother replacing it. And as i bougth the rest from koolanse , i now have a great flowmeter with 2 pin connect and was wondering , do i have to buy a new flowmeter too , or is there a ...