I just purchased the Zalman VF2000 VGA/CPU cooler hybrid, using it as a VGA cooler and just installed it. My issue is the LED fan will start for 2 seconds upon booting CPU, then turn off. I observed it and it kind of sputters every couple seconds thereafter, as if trying to start but can't. I've checked my connections, so I am at a loss.
It difficult to say your card might not have enough amps to power this fan. You cant exceed the ratings of the capacitors or they run out of juice,Or it could just do nothing. most items like this are quality controlled.The windings in a motor are in series and need the electricity to flow threw so half of them being out would mean all of them being out.Which would cause it to do nothing.Dont try cranking up the volts on the videocard if your motherboard allows it would cause failure to the caps after awhile and be a short lived fix.Try to find a card within 10% of the amp rating of the one that came stock.
Also the commet above is a better example of how relays work.
I say its a dud. The fan works by magnets inside. When the electromagnets get electricity it causes the polity of them to change making the fan move. Its possible half of them are dead outta the box. Send it back especially because the connections to a video card is simple considering its a plug.
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