! 若检查S1低速挡触点接触正常,则是VD击穿(开路)电机失电停转,更换VD(1N4007),【故障】排除。 友情提示,该文章源自互联网收集,欢迎你到论坛与大家技术交流请点击这里 www.jdwx.cn |
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