天津西门子数控机床维修

<span style="font-family: 宋体; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">　监控灯闪烁。如果监控灯闪烁频率为1hz<span style="font-family: 宋体; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">，则eprom<span style="font-family: 宋体; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">有故障；如果闪烁频率为2hz<span style="font-family: 宋体; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">，则plc<span style="font-family: 宋体; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">有故障；如以4hz<span style="font-family: 宋体; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">频率闪烁，则保持电池报警，表示电压已不足。

<span style="font-family: 宋体; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">　监控灯左灭右亮。表示操作面板的接口板03731<span style="font-family: 宋体; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">板有故障或crt<span style="font-family: 宋体; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">有故障。

<span style="font-family: 宋体; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">　监控灯常亮。这种故障，通常的原因有：cpu<span style="font-family: 宋体; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">有故障；eprom<span style="font-family: 宋体; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">有故障；系统总线（即背板）有故障、电路板上设定有误、机床数据错误、以及电路板（如存储器板、耦合板、测量板）的硬件有故障。

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