Cooling fans not spinning to cool controller board

[KASHMIR 0]

Hi

I want to cool my ultimaker 2 controller board. So i designed a housing

to hold 2 fans 50mm x 50mm. These are SUNON fans

12v  1.26 amps each. I have connected both fans together, positive wire from one fan

together with the negative wire from the other. the other 2 wires plus and minus are

with connector. When i plug the connector to the board marked ( FAN 19-24 V )

and power it up, the fans dont spin. I see that the fans are trying to spin, but ever so slowly,

barely nothing but trying. Am i doing something wrong ?? I am not that electronic tech savvy.

Can someone please help me.

I have attached a picture.

Thanks

Edited August 5, 2016 by Guest

[neotko 1,417]

So you got a china board and it doesn't work... Well, that can happen.

Also, try the direct power 2 pins near the plug. You can't just plug any fan and hope it works.

[KASHMIR 0]

I tried connecting it to the other one that you showed in the image, but the fans still do not turn, can you please help me. i don't know why, it should work.

is there something i have to add in the circuit of the fans ??

and the fans have 1.26 watts output not 1.26 amps.

Edited August 6, 2016 by Guest

[Kevparang 10]

Make sure the fans work,maybe use extra power and use an arduino or something.