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上海西门子直流调速器专业维修，无显示、过流、过压、速度不稳、欠压、过热、过载、参数错误、有显示无输出、模块损坏、变频器炸机、错报故障等

西门子直流调速器维修：6RA23维修、6RA24维修、6RA28维修、6RA70维修
6RA23系列
6RA2318-6DV61-0+6RA2431-6DS22-0+6SE7016-2EA6+6SE7023-8ED61+6SE7021-0TA61+6SE6440-2UD33-0EB1+6GK17060HB613AA0+6GK17060XW003AL0+6FC5298-5AD30-0BP0+6FC5298-6AA10-0FP0+6SN2803-2AA00-0BA0
6RA2313-6DV61-0 6RA2318-6DV61-0 6RA2325-6DS21-0 6RA2325-6DV61-0 6RA2328-6DS21-0 6RA2330-6DV61-0
6RA2331-6DS21-0 6RA2332-6DV61-0 6RA2375-6DS21-0 6RA2375-6DV61-0 6RA2377-6DS21-0 6RA2377-6DV61-0
6RA2381-6DS21-0 6RA2381-6DV61-0 6RA2385-6DS21-0 6RA2385-6DV61-0
6RA24系列
6RA2418-6DS22-0 6RA2418-6DV62-0 6RA2418-6DV62-0 6RA2425-6DS22-0 6RA2425-6DV62-0 6RA2428-6DS22-0
6RA2430-6DV62-0 6RA2431-6DS22-0 6RA2432-6DV62-0 6RA2475-6DS22-0 6RA2475-6DV62-0 6RA2477-6DS22-0
6RA2477-6DV62-0 6RA2481-6DS22-0 6RA2481-6DV62-0 6RA2485-6DS22-0 6RA2485-6DV62-0 6RA2487-4DV62-0
6RA2491-4DS22-0 6RA2491-4DV62-0

6RA70维修系列

6ra7013-6dv62-0 15a    
6ra7018-6dv62-0 30a    
6ra7025-6dv62-0 60a    
6ra7028-6dv62-0 90a    
6ra7031-6dv62-0 125a    
6ra7075-6dv62-0 210a    
6ra7078-6dv62-0 280a    
6ra7081-6dv62-0 400a    
6ra7085-6dv62-0 600a   
6ra7087-6dv62-0 850a   
6ra7091-6dv62-0 1200a   
6ra7093-4dv62-0 1600a   
6ra7095-4dv62-0 2000a