短路，V28(5C)三极管基极电阻由正常值4.7kΩ变为150kΩ，已经烧坏,更换新的电阻和二极管后，运行正常。
西门子伺服控制器故障608维修，西门子数控系统报警504维修，西门子802D系统显示25201故障维修，西门子伺服驱动器报607维修，380500故障维修，300607轴1故障维修，802D铣床启动报25201故障维修，磨床报警300507维修，钻床报警300608故障维修，802S系统025021，X2轴故障，21612故障维修，300501故障，轴SP伺服故障维修，611D功率模块维修，207410故障，西门子840D系统W轴报300503，300504，380500，西门子802S，西门子802C，西门子802D，系统故障维修，伺服故障维修，电源故障维修，伺服驱动器故障维修，放大器故障维修，伺服电机维修，26100故障维修，27001故障，300911故障，车床故障300508，铣床故障维修，西门子电机驱动器短路维修，启动跳闸维修，烧保险维修等等，上海迪昊公司专业西门子数控系统维修，有专业测试平台，当天修复。
西门子6SN1123维修，西门子6SN1123伺服控制器维修，西门子6SN1145电源模块维修，6SN1146电源维修,6SN1118驱动器维修，6SN1121维修，6SN1111维修，主轴准备未就绪，编码器报警故障，DP通讯失败故障报警，X轴故障，Y轴驱动不工作，Z轴报警，西门子电源指示灯不亮，没有显示，没有输出，报警维修，有启动信号无输出，不报警无输出，电机不转，轴归零启动X轴销售故障025201，伺服故障，轮廓监控报警维修，驱动器未就绪，E-A608,E-A607,E-B504,E-B507,789,E-A508,E-A599,E-A028,E-A831,E-A029,6SN1145/6SN1146/6SN1123维修:跳闸，烧保险，炸机，欠压，过流，6SN1145无DC600V直流输出，黄灯不亮，指示灯全不亮，红灯亮，带不了载，电路板烧毁，输出继电器端口不工作，给定指令无反应，显示报警准备未就绪。数控驱动维修，带不动负载，主轴驱动故障，伺服故障，Z1轴故障，功率部件故障，空载无问题加不了载，迪昊公司配件齐全，有测试平台，客户送机当天修好。
西门子伺服驱动器故障维修型号：
6SN1123-1AA00-0AA0维修 SIMODRIVE 611 1 AXIS 15 A 6SN1123-1AA00-0AA1维修 SIMODRIVE 611 1 AXIS 15 A 6SN1123-1AA00-0BA0维修 SIMODRIVE 611 1 AXIS 25 A 6SN1123-1AA00-0BA1维修 SIMODRIVE 611 1 AXIS 25 A 6SN1123-1AA00-0CA0维修 SIMODRIVE 611 1 AXIS 50 A 6SN1123-1AA00-0CA1维修 SIMODRIVE 611 1 AXIS 50 A 6SN1123-1AA00-0DA0维修 SIMODRIVE 611 1 AXIS 80 A 6SN1123-1AA00-0DA1维修 SIMODRIVE 611 1 AXIS 80 A 6SN1123-1AA00-0EA0维修 SIMODRIVE 611 1 AXIS 160 A 6SN1123-1AA00-0EA1维修 SIMODRIVE 611 1 AXIS 160 A 6SN1123-1AA00-0FA0维修 SIMODRIVE 611-A/D 1 AXIS 200 A 6SN1123-1AA00-0GA0维修 SIMODRIVE 611-A/D 1 AXIS 120 A 6SN1123-1AA00-0HA0维修 SIMODRIVE 611 1 AXIS 8 A 6SN1123-1AA00-0HA1维修 SIMODRIVE 611 1 AXIS 8 A 6SN1123-1AA00-0JA0维修 SIMODRIVE 611 1 AXIS 300 A 6SN1123-1AA00-0JA1维修 SIMODRIVE 611 1 AXIS 300 A 6SN1123-1AA00-0KA0维修 SIMODRIVE 611 1 AXIS 400 A 6SN1123-1AA00-0KA1维修 SIMODRIVE 611 1 AXIS 400 A 6SN1123-1AA00-0LA0维修 SIMODRIVE 611-A/D 1 AXIS 180 A 6SN1123-1AA00-0LA1维修 SIMODRIVE 611 1 AXIS 180 A 6SN1123-1AA01-0FA0维修 SIMODRIVE 611 1 AXIS 200 A 6SN1123-1AA01-0FA1维修 SIMODRIVE 611 1 AXIS 200 A 6SN1123-1AA02-0FA0维修 SIMODRIVE 611 1 AXIS 200 A 6SN1123-1AA02-0FA1维修 SIMODRIVE 611 1 AXIS 200 A 6SN1123-1AB00-0AA0维修 SIMODRIVE 611 2 AXES 15 A 6SN1123-1AB00-0AA1维修 SIMODRIVE 611 2 AXES 15 A 6SN1123-1AB00-0BA0维修 SIMODRIVE 611 2 AXES 25 A 6SN1123-1AB00-0BA1维修 SIMODRIVE 611 2 AXES 25 A 6SN1123-1AB00-0CA0维修 SIMODRIVE 611 2 AXES 50 A 6SN1123-1AB00-0CA1维修 SIMODRIVE 611 2 AXES 50 A 6SN1123-1AB00-0HA0维修 SIMODRIVE 611 2 AXES 8 A 6SN1123-1AB00-0HA1维修 SIMODRIVE 611 2 AXES8 A