西門子ncu數(shù)碼管顯示6啟動不了維修

西門子NCU維修故障：

1.西門子840D數(shù)控系統(tǒng)西門子NCU開不了機(jī)，開機(jī)NCU不能啟動。

2.西門子840D數(shù)控系統(tǒng)的NCU盒7段數(shù)碼管沒有顯示，屏幕報警提示NC\PLC未連接，（ncu和PCU都有問題）。

3.送電瞬間所有燈都亮，但是數(shù)碼管無顯示，然后所有燈瞬間變暗，POK燈熄滅，數(shù)碼管不亮

4.NCU板子H1,H2燈全亮的故障

5.840D系統(tǒng)，現(xiàn)報2120號警（NCK風(fēng)扇報警），更換了一塊NCU盒后仍然出現(xiàn)2120報警--ncu壞了

6.840D系統(tǒng)NCU不能啟動。西門子840D/DE數(shù)控伺服系統(tǒng)NCU主板維修型號：NCU573.5/NCU573.4/NCU573.3/NCU573.2/NCU573.5/NCU572.5/NCU572.4/NCU572.3/NCU572.2/NCU571.5/NCU571.4/NCU571.3/NCU571.2

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NCU571.26FC5357-0BB11-0AE0

NCU571.36FC5357-0BB11-0AE1

NCU571.36FC5357-0BB13-0AA0

NCU571.36FC5357-0BB13-0AA1

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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

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NCU573.26FC5357-0BB31-0AE0

NCU573.26FC5357-0BB33-0AE0

NCU573.26FC5357-0BB33-0AE1

NCU573.26FC5357-0BB53-0AE1

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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

------------------------------

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

數(shù)控控制主板6FC5357-0BB11-0AE0NCU571.2

數(shù)控控制主板6FC5357-0BB11-0AE1NCU571.3

數(shù)控控制主板6FC5357-0BB12-0AE0NCU571.4

數(shù)控控制主板6FC5357-0BB13-0AA0NCU571.3

數(shù)控控制主板6FC5357-0BB13-0AA1NCU571.3

數(shù)控控制主板6FC5357-0BB14-0AA0NCU571.4

數(shù)控控制主板6FC5357-0BB15-0AA0NCU571.5

數(shù)控控制主板6FC5357-0BB21-0AE0NCU572.2

數(shù)控控制主板6FC5357-0BB21-0AE1NCU572.2

數(shù)控控制主板6FC5357-0BB22-0AE0NCU572.3

數(shù)控控制主板6FC5357-0BB23-0AA0NCU572.3

數(shù)控控制主板6FC5357-0BB23-0AA1NCU572.3

數(shù)控控制主板6FC5357-0BB23-0AE0NCU572.4

數(shù)控控制主板6FC5357-0BB24-0AA0NCU572.4

數(shù)控控制主板6FC5357-0BB25-0AA0NCU572.5

數(shù)控控制主板6FC5357-0BB31-0AE0NCU573.2

數(shù)控控制主板6FC5357-0BB33-0AA0NCU573.3

數(shù)控控制主板6FC5357-0BB33-0AA1NCU573.3

數(shù)控控制主板6FC5357-0BB33-0AE0NCU573.2

數(shù)控控制主板6FC5357-0BB33-0AE1NCU573.2

數(shù)控控制主板6FC5357-0BB33-0AE2NCU573.3

數(shù)控控制主板6FC5357-0BB33-0AE3NCU573.3

數(shù)控控制主板6FC5357-0BB34-0AA0NCU573.4

數(shù)控控制主板6FC5357-0BB34-0AE0NCU573.4

數(shù)控控制主板6FC5357-0BB34-0AE1NCU573.4