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阪神
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樓主  發(fā)表于: 2018-03-01 10:41
哪位高手對西門(mén)子G120變頻器故障處理熟悉的朋友幫個(gè)忙，我有一臺西門(mén)子G120  2.2KW的變頻器老是出現F30011電源缺相故障，但測量又好的，而且能啟動(dòng)運行，工作了一段時(shí)間又報警了，哪位老師告訴我一下是變頻器硬件故障呢還是外圍故障

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