西門子工控機維修，工控機開不了維修，面板無顯示維修

SIEMENS操作面板、西門子工控機顯示器維修，6FC5103維修、6FC5111維修、6FC5210維修、6FC5410維修、6FC5511維修、6FC3988維修、6FC3984維修、6AV8031維修、6AV3315維修、6AV3520維修、6AV3530維修、6AV1414工控機維修常見故障

　工控機無法安裝操作系統；

　工控機按下開關，可以看到指示燈亮，但屏幕無顯示；

　工控機開機屏幕出現英文或數字報錯，無法進入系統；

　工控機不識別光驅、硬盤、軟驅、串口、并口、網卡口等；

　工控機按下開關，沒有任何反應（無法開機）；

　工控機經常死機、掉電或自動重啟；

　工控機密碼遺忘，無法進入系統；

　工控機電池無法充電；

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