Geeetech

On my Prusa I3 Pro B I have added a 3rd fan (cooler Axial Fan 12V 40x40x10 mm SKU: 700-001-0318) and connected it to the control board in the free fan socket (marked fan 2). As soon as I power up the printer this fan is running and I can not switch it of. I was expecting that I can control the fan with the Repetier-Host. I am doing something wrong?

You can try the PWM_Fan socket on the board if you wanna do that.

Thanks for your help William, I found it in the GT2560 documentation. Works fine now.