Hello Guys/djs and so on

i bought 2*cdj 400 and 1*dmj 400 mixer. I want to use it with traktor pro. But my problem is that all sound comes from cdj 1 to the mixer. Number 2 cdj is fully functional but the sound is not send to my dmj.

Im using Traktor Pro and a Acer aspire V3- 772G 64-bit windows 8.1.

At the moment i have updated my CDJ's firmware to the latest. 133 firmware
I have installed CDJ driver ver 1.210 on to my computer

Can anyone be helpfull with this problem? Btw im from Denmark and prefer answers in Danish or English.

Thank you