Problem in mixer effect - Pioneer DJM-250

I bought my DJM-250 in February 2016, 3 days ago my mixer started to show defect, the light of the sound color filter is not the way it should be, so the effect does not work correctly. I speak directly from Brazil, I need help. Follow the link for more understanding:

https://www.youtube.com/watch?v=1LL_NN3c2wQ&t=61s