6RA7013維修，6RA7018維修，6RA7025維修，6RA7028維修，6RA7031維修，6RA7075維修，6RA7078維修，6RA7081維修，6RA7087維修，6RA7091維修，6RA7093維修，6RA7095維修，上海迪昊公司專業西門子直流調速維修，公司配件齊全，專業工程師提供上門服務維修，各種故障當天修復。何工

6RA70直流調速裝置器常見故障：F001,F004,F005,F018,F030,F031,F038,F036,F040,F042，F040,F050,F052,R018,F062,F067,F068,F011,F041,A031，A018，A025