菜鸟博士Caesar

• Instruments show communication failure on the Run Samples window

• Unable to restore communication by resetting from Run Samples/console

• When cleared from DHCP, the instruments do not appear upon reboot

ENVIRONMENT

• Alliance HPLC System

• Acquity systems with standalone ethernet box installed

CAUSE Ethernet switch defective

FIX or WORKAROUND

1. Replace the 8-port switch (Ethernet Switch Box, 8-port - 725000561).

2. Turn off the LAC/E and all instruments connected, and then turn on the LAC/E and instruments.

3. Confirm that communication is restored.

ADDITIONAL INFORMATION

与仪器无法通讯

故障描述

• 仪器在 Run Samples（运行样品）窗口中显示通讯故障

• 无法从 Run Samples（运行样品）/控制台重置来恢复通讯

• 从 DHCP 清除后，仪器在重新启动后不会显示

环境

• Alliance HPLC 系统

• 安装了独立以太网盒的 ACQUITY 系统

原因 以太网交换机故障

解决方法

1. 更换 8 端口交换机（8 端口以太网交换盒 - 725000561）。

2. 关闭 LAC/E 和所有连接的仪器，然后再打开 LAC/E 和仪器。

3. 确认通讯是否恢复。