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leerking
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樓主  發(fā)表于: 2009-05-24 17:09
        手上有幾個(gè)同樣故障的CPM1A PLC，表現為上電后僅PWR電源及ERR錯誤兩個(gè)指示燈亮，請教該從何入手？
zqian
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1樓  發(fā)表于: 2009-10-20 19:53
引用
引用樓主leerking于2009-05-24 17:09發(fā)表的 CPM1A故障求助 :
        手上有幾個(gè)同樣故障的CPM1A PLC，表現為上電后僅PWR電源及ERR錯誤兩個(gè)指示燈亮，請教該從何入手？

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