Pioneer DDJ - 400 Algoriddim Djay iPad Effects not selectable

I have the following problem, everything runs smoothly, according to the picture below, it should be very simple to use the effects, but it doesn’t work, if I choose FX Select on the controller, nothing happens, I can only select the effects myself via the ipad, but not via the controller , please help you https://www.pioneerdj.com/-/media/pioneerdj/software-info/controller/ddj-400/ddj-400_hardwarediagram_djay_for_ios_e1.pdf?la=en&hash=D6E8D484AF732F62CDA09E3034D5BD757B041E3E