西門子6RA7018直流調速勵磁電流調不上去，西門子6RA7095傳動裝置合閘F004維修，西門子6RA7075報警F005燒勵磁保險，6RA7085報警F03*，西門子6RA7091直流裝置F031維修，6RA7093直流調速器F038維修，西門子直流調速維修，6RA80直流調速器維修，勵磁故障維修，燒保險維修，跳閘維修，電源故障報警，勵磁電流大維修，F(xiàn)042編碼器問題，A018報警，報警代碼F001,F004,F005,F018,F030,F031,F038,F040，F(xiàn)042,F050,F052,F062,F067,F068等故障。西門子6RA70報故障F001電子板電源故障，F(xiàn)004電源電路板缺相故障，F(xiàn)005勵磁板故障，F(xiàn)006欠電壓故障F007過電壓故障，F(xiàn)030電樞電流過大導致脈沖封鎖，F(xiàn)031速度調節(jié)器監(jiān)控，F(xiàn)038超速，F(xiàn)04*激活，F(xiàn)042測速機故障，F(xiàn)046模擬可設置輸入故障，F(xiàn)048編碼器故障，F(xiàn)050優(yōu)化不通過，F(xiàn)052優(yōu)化中斷F062內部存儲器故障F008  F009 進線電源頻率故障，F(xiàn)011電報故障，F(xiàn)012電報故障，直流電機控制柜維修，直流變頻柜報警維修，直流控制柜跳閘，西門子6RA7018直流調速勵磁電流調不上去上門維修包修好。