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西門子840D系統(tǒng)810004故障報警維修,西門子840D進不了系統(tǒng),,NCU紅燈PS亮PF亮維修,,西門子NCU數(shù)碼管顯示8,NCU數(shù)碼管跳到3不動,,西門子NCU模塊上紅燈,,西門子NCU數(shù)碼管顯示0,NCU數(shù)碼管顯示1維修,,西門子NCU主板掉數(shù)據(jù),,NCU主板風(fēng)扇不轉(zhuǎn)維修,2000PLC運行信息監(jiān)控報警,,840D報3000急停故障,,西門子840D系統(tǒng)報警120202通訊故障,,NCU上電就顯示8,西門子NCU風(fēng)扇不轉(zhuǎn),,NCU數(shù)字走到2就顯示108了,,NCU顯示3,NCU數(shù)碼管循環(huán)顯示0,、1,、6 右邊一排燈全亮,第二天無顯示指示燈不亮,,NCK風(fēng)扇故障2120,,關(guān)機2天程序丟失,數(shù)碼管循環(huán)顯示109,,數(shù)碼管不亮,,ECU紅燈PLC停止故障,左邊指示燈全亮顯示106,,PLC下程序報錯誤清單不能復(fù)位PLC內(nèi)存,,840D驅(qū)動控制器顯示0,NCU上面2排燈全亮數(shù)碼管不亮故障,,840D系統(tǒng)報故障維修,,300500維修,300501故障,,300502代碼,,510205故障,主軸電機溫度高維修,,700144E/R模塊溫度高維修,,300613故障SP1驅(qū)動故障維修,西門子840D系統(tǒng)810004故障報警維修