[ardiung]

最近老会出现这个问题，板材放不进去。错误代码如下：
E513a: When the is lowered, the sensor (to detect whether the clamp arm pins are hooked on the clamp properly) has been turn ON.(Home side).
这什么意思？
clamp arm 是哪个东东？Home side 又是指什么？小弟不解，向各位大哥求教了。先谢谢了。