Skip to main content
Waters

TQD / SQD- "Instrument not present" seen in MassLynx. No communications to instrument - WKB6001

Article number: 6001

SYMPTOMS

  • MassLynx cannot communicate with the TQD.
  • The EPC can be pinged using the IP address given in the Waters DHCP server configuration tool.
  • The EPC cannot be pinged using "ping EPC -t" command

ENVIRONMENT

  • TQD
  • SQD

CAUSE

The IP address in the hosts file on the host PC has the incorrect IP address for the EPC.

FIX or WORKAROUND

  1. Open the Hosts file using notepad (the hosts file can be found under C:\Windows\System32\drivers\etc)
  2. Edit the IP address on the EPC line to match that shown in the Waters DHCP server configuration tool (found under C:\Program Files (x86)\Waters Instruments)
  3. Save the Hosts file.

ADDITIONAL INFORMATION

 

Not able to find a solution? Click here to request help.

  • Was this article helpful?