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西門子直流控制器啟動報A031（上電報警），西門子6RA80直流調速器報F60105勵磁故障,西門子6RA80直流調速器報F60105勵磁故障，F031,F005,F068,F052，F004，FO11,F042等故障，西門子6RA7081晶閘管壞，上電跳閘，開機炸可控硅，模塊壞維修

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西門子直流控制器啟動報A031（上電報警）