Thermo Scientific EASY-nLC 1200 Troubleshooting And Maintenance Manual page 216

7
Troubleshooting
Troubleshooting the Results of the System Leak Test
194 EASY-nLC 1200 Troubleshooting & Maintenance Guide
Figure 153. Setup for eliminating the Waste In line as the source of the system leak
From the mixing Tee
a. With the Analytical Column Equilibration script running, monitor flow sensor A.
Then, depending on the flow rate, do one of the following:
• If the flow is <100 nL/min, install a new Waste In line. Then, reconnect the
solvent lines and rerun the system leak test as described in
Leak Test" on
For ordering information, see
Parts."
• If the flow is >100 nL/min, go to the next step.
8. Check for a leak-tight connection to port 3 of valve S as follows:
i. On the Home > Overview page, set valve S to the Center position to return the
system to atmospheric pressure.
ii. Disconnect and reconnect the nanoViper fitting of Column-Out capillary and
the grounding adapter from port 3 of valve S. Take care to avoid overtightening
of the fingertight fitting.
iii. On the Home > Overview page, reset valves S to position 1-2.
iv. With the Analytical Column Equilibration script running, monitor flow sensor
A. Then, depending on the flow rate, do one of the following:
• If the flow is <100 nL/min, reconnect the solvent lines and rerun the system leak
test as described in
the system is leak tight.
page 178.
Appendix C, "Consumables and Replacement
"Running a System Leak Test"
Viper fitting
"Running a System
on page 178 to confirm that
Thermo Scientific