西门子系统维修6FC5357-0BB25-0AA0 NCU572.5 PCU维修

西门子系统维修6FC5357-0BB25-0AA0 NCU572.5  PCU维修

上海仰光电子科技有限公司 

西门子NCU维修故障：
1.西门子840D数控系统西门子NCU开不了机，开机NCU不能启动。
2.西门子840D数控系统的NCU盒7段数码管没有显示，屏幕报警提示NC\PLC未连接，

（ncu和PCU都有问题）。
3.送电瞬间所有灯都亮，但是数码管无显示，然后所有灯瞬间变暗，POK灯熄灭，数码管不亮
4.NCU板子H1,H2灯全亮的故障
杭州维修西门子数控系统NCU数码管不显示故障维修5.840D系统，现报2120号警（NCK风扇报警），

更换了一块NCU盒后仍然出现2120报警--ncu坏了
杭州维修西门子数控系统NCU数码管不显示故障维修6.840D系统NCU不能启动。西门子840D/DE数控伺

服系统NCU主板维修型号：NCU573.5/NCU573.4/NCU573.3/NCU573.2/NCU573.5/NCU572.5/NCU572.4/

NCU572.3/NCU572.2/NCU571.5/NCU571.4/NCU571.3/

NCU571.26FC5357-0BB11-0AE0
NCU571.36FC5357-0BB11-0AE1
NCU571.36FC5357-0BB13-0AA0
NCU571.36FC5357-0BB13-0AA1

NCU571.46FC5357-0BB14-0AA0
NCU571.46FC5357-0BB12-0AE0
NCU571.56FC5357-0BB15-0AA0

NCU572.26FC5357-0BB21-0AE0
NCU572.26FC5357-0BB21-0AE1
NCU572.26FC5357-0BB52-0AE0

NCU572.36FC5357-0BB22-0AE0
NCU572.36FC5357-0BB23-0AA0
NCU572.36FC5357-0BB23-0AA1

NCU572.46FC5357-0BB23-0AE0
NCU572.46FC5357-0BB24-0AA0
NCU572.56FC5357-0BB25-0AA0

NCU573.26FC5357-0BB31-0AE0
NCU573.26FC5357-0BB33-0AE0
NCU573.26FC5357-0BB33-0AE1
NCU573.26FC5357-0BB53-0AE1

NCU573.36FC5357-0BB33-0AE2
NCU573.36FC5357-0BB33-0AE3
NCU573.36FC5357-0BB33-0AA0
NCU573.36FC5357-0BB33-0AA1

NCU573.56FC5357-0BB35-0AA0
NCU573.56FC5357-0BB35-0AE0
NCU561.46FC5356-0BB12-0AE0
NCU573.56FC5357-0BB35-0AE0

NCU573.46FC5357-0BB34-0AA0
NCU573.46FC5357-0BB34-0AE0
NCU573.46FC5357-0BB34-0AE1

NCU573.36FC5357-0BB33-0AE2
NCU573.36FC5357-0BB33-0AE3
NCU573.36FC5357-0BB33-0AA0
NCU573.36FC5357-0BB33-0AA1
NCU573.46FC5357-0BB34-0AA0
NCU573.46FC5357-0BB34-0AE0
NCU573.46FC5357-0BB34-0AE1