是不是电压有问题 |
没见过 |
马达过流查查那个地方卡住或者润滑不畅 |
兄弟S7200C_资料交换(缝纫机维修资料下载)_缝纫机联盟论坛 http://www.frj123.com/bbs/thread-24419-1-1.html 里面有解决方法. |
|小黑屋|手机论坛|Archiver|缝纫客,工业缝纫机维修问答
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