Problem....Fader DM 4800 -3200

[juanjitosound]

I Have, Tascam dm 4800, the fader Bank C, Channel 19, Tremble or vibrate when I change the banks ... Any solution ???
help..!!!

https://drive.google.com/file/d/1-G-5loPNH5aJANJEg4OmtC0-4HbLhAYx/view?usp=sharing

 

[sessizmod]

I have same issue.. When i change banks, some faders don't come to their place, i think the same problem. Hope we find a solution.