Question cpu fan error?

Mar 8, 2019
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i just installed for the first time a cpu water cooler corsair hydro series h115i. And when i strated the computer i got i think 3 beeps and it says cpu fan error. it lets me boot the computer and i can see that the water cooler is working but the gpu fan is not running. when i started the computer the gpu fan started to run for a sec then competently stopped. But the computer still boots?
 
my motherboard is a asustek M5A97 R2.0. everything is hooked up and working right now i was able to play a game and the temps went down. But i still get i think 3 beeps when i boot and this cpu fan error comes up.
 
all of my fans are working still and i still get this cpu fan error when i boot. It makes me go to the setup screen and then i can discard changes and exit and boot like normal.