Cant get commuication with MS and LC: The MS embedded computer (EPC) is caught in an endless loop waiting for Waters DHCP server to respond when rebooted - WKB24612

SYMPTOMS

• No communications with mass spectrometer or ACQUITY UPLC system
• No components of the system show up on the ACQUITY MS Console
• Swapping network cables does not resolve the issue
• Lights for each Ethernet port on the back of the sample manager show activity
• Rearranging the cables in the ports on the network hub does not resolve the issue

ENVIRONMENT

• Xevo TQ-S
• ACQUITY UPLC
• ACQUITY UPLC H-class
• MassLynx 4.1
• MassLynx 4.2
• Xevo QTof
• Xevo G2 QTof
• Xevo G2 Tof
• Xevo G2-S
• Xevo G2-S QTof
• Xevo G2-S Tof
• Xevo G2-XS
• Xevo G2-XS QTof
• Xevo G2-XS Tof

CAUSE

Corruption in the Waters DHCP Server Configuration

FIX or WORKAROUND

1. Browse to C:\Program Files(x86)\Waters Instruments.
2. Open the Waters DHCP Server Configuration.
3. Remove the IP addresses from the list.
4. Go to Server > Configuration Wizard.
   • Select Local Area Connection <NEXT>
   • Select Default (192.168.0.1)  <Next>
   • Hit Finish
5. Reboot the PC.
6. Restart the ACQUITY UPLC system.
7. Restart the Xevo TQ-S electronics using the toggle switches on the back.

ADDITIONAL INFORMATION