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西門子6RA70變頻器F038報警和F042故障維修，西門子6RA70報F030燒保險，6RA7093顯示故障F004跳閘，6RA7091調速裝置F040維修，6RA7075勵磁報警F005維修，6RA7018顯示A031故障，6RA7085報警F030模塊壞維修，6RA7087報F036主板故障，6RA7031報F043維修，西門子6RA70調速器F001報警，6RA7028互感器壞更換，
西門子6RA70直流控制器A031和A018報警，西門子6RA70報警F030運行一會就停機，6RA7094開機顯示F004跳閘啟動不了維修，6RA7085直流調速器F030報警維修，6RA7018顯示A018代碼信號故障，6RA70變頻器報F043故障，6RA7075面板報警A043維修，6RA70直流驅動器F042測速機故障維修，F048編碼器報警，F001電源保險燒故障，6RA80調速裝置
西門子6RA70開機報F036代碼維修，西門子6RA70變頻器顯示F036維修，6RA70調速裝置啟動顯示故障F036報警，6RA70面板顯示A018維修，6RA70啟動就顯示F042和F041故障，6RA70開機速度慢報F03*，6RA70變頻器報F043速度加不上去，西門子6RA70直流控制器F005勵磁報警，6RA70調速裝置F004不能開機維修，6RA70報A031代碼可以復位，
西門子6RA70報警F042和F048編碼器故障維修，西門子6RA70直流控制器F042維修，6RA70調速裝置報故障F048維修，6RA70調速器顯示F030維修，6RA70變頻器顯示F043故障維修，6RA70開機一會報F042故障維修，6RA70顯示F030加不上速度，6RA7093開機就顯示F004跳閘維修，6RA70燒保險維修，變頻器顯示F001維修，直流驅動器F005報警，A018故障
西門子6RA70直流調速報警故障F031當天好，西門子6RA70啟動一會就顯示F031故障維修，6RA7091故障代碼A031報警，6RA70調速器A030維修，6RA70直流控制器報F030維修，6RA7081面板顯示F042故障，6RA7085上電屏幕顯示F001不能復位，6RA7093啟動機器跳閘顯示F004維修，6RA7093報F030晶閘管壞更換，6RA7018報A031故障，F005
