CPU_FAN 0 rpm! Error

[aapuvaa]

I have Asus M5A97 Evo r2 and CM Eco 212 with 2 Corsair SP120 PWM fans connected via pwm fan y splitter and my motherboard shows random temps between 0 - 3000. I've tried to connect only one fan at time but still no change.

 

[sincreator]

There is a four pin connector for JUST the CPU fan. Do not run a splitter off of it. Make sure you run the splitter off of one of the other PWM connectors on the board. There should be at least 1 or 2 other 4 pin connectors on your motherboard.

 

[aapuvaa]

I have one fan on front of heatsink and one in back which one i should connect to cpu header?

 

[sincreator]

If you look closely at the motherboard, one of those will be marked "CPU fan". Usually it's the one closest to the cpu, and located between the cpu and ram.

 

[aapuvaa]

I know right? Right next to Cha_fan2, my question was whick one of my cpu fans i should connect to that? One in front or one in back of the heatsink?