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故障現(xiàn)象：啟動報警
解決方案：用萬用表靜態(tài)測試模塊損壞
故障原因：逆變模塊W與P+擊穿短路，導致驅(qū)動電路損壞，三項輸出不平衡報警。
屏蔽保護，單板測試維修驅(qū)動板，更換驅(qū)動光耦，二極管，驅(qū)動電路等配件，修復正常，更換模塊
調(diào)試帶異步電機，正常。改回參數(shù)，安裝回電梯。

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