... 9G 10G 12G 14G 16Gwidth 32,54,66,80 inches knitting speed Controlled by frequency conversion to adjust speed,6 ... system multistage combined type roll system.controled by DC electric machine, 4 grade to adjust.transmission mode frequency control, synchronous ... advice yarn broken, knot fabric, fall yarn, floatingback-roll, needle broken, one piece finished,motor overloadPilot lamp green: regular working ...