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西門子NCU風(fēng)扇故障2120報(bào)警維修,,西門子840D數(shù)控系統(tǒng)NCU風(fēng)扇不轉(zhuǎn)報(bào)警維修,NCU正常轉(zhuǎn)系統(tǒng)報(bào)2120風(fēng)扇故障處理維修,,西門子NCU數(shù)碼管顯示0,、1、2,、3,、8代碼維修,西門子NCU無顯示維修,,NCU上亮紅燈PS,、PF紅燈亮維修,840D系統(tǒng)顯示120202維修,,840D報(bào)故障120201維修,,NCU主板維修,總控制器維修,,NCU驅(qū)動(dòng)器模塊電源壞維修,,,數(shù)碼管走到2顯示109故障,,840D機(jī)床報(bào)警300101,,西門子840D系統(tǒng)開機(jī)報(bào)警27253故障NCK錯(cuò)誤,840D數(shù)控系統(tǒng)NCU數(shù)碼管顯示3維修,西門子611U維修,,25050報(bào)警修理,,21612,300707,,300501,,電機(jī)超過極限溫度,E-A007,,西門子監(jiān)控模塊維修,,控制器報(bào)300006故障,系統(tǒng)000003報(bào)警維修,,西門子數(shù)控611,,611E驅(qū)動(dòng)維修,西門子S120維修,、6SN1145維修,,6SN1146維修,6SN1118維修,,6SN1123維修,,西門子NCU風(fēng)扇故障2120報(bào)警維修