Common faults and solutions Output is low; do not discharge materials Reason: the smoothness of mould hole is poor because of the first use. Mould or roller ages and wears seriously. The moisture of raw materials is too high or too low; the gap between roller and mould is too large; triangular belt ages or slip. Solutions: Grind and lubricate the mould with oil materials. After working for a time, the capacity will increase. Change pinch roller or mould. Adjust the moisture of raw material; tighten the roller bolt. Change the belt. Finished pellets contain much powder Reason: moisture is low; roller and mould wear seriously. Surface of pellets is rough. Reasons: the moisture is too large; mould is used by the first time Solutions: reduce water content; grind with oil materials repeatly. The sound is abnormal Reasons: with hard debris; bearing damages; screws is loose Solutions: stop running the machine to clean; change bearing; tighten the screw Sudden sh...