1) discharging mouth jam, cause full plugging material: remove discharging mouth, ensure discharging unblocked forming
2) drive slot wheel rotation triangle belt too loose, cause belt skid: adjustable tight or replace triangle leather belt
3) eccentric shaft tight set bushings loose, cause frame within the bearing on both sides, make partiality axis without clearance, cannot turn: card to die reinstall or replace tight set bushing
4) work site voltage is too low, the host; and the inability to meet after crushing: reset workplace voltage with host working voltage requirements
5) bearing damage: replacement bearings