Waters 600e - Page 140

Troubleshooting the 600E Pump 115
Figure 6-1 High System Pressure Troubleshooting (Continued)
Figure 6-1
Continued from
Previous Page
Loosen Fitting at
Column Inlet. Pressure
Reduced (<100 psi)?
Blocked or Voided Column. Clean Column Per
Column Care and Use Manual. If Problem
Persists, Replace Column.
Loosen Fitting at Injector
Outlet. Pressure
Reduced?
Loosen Fitting at Injector
Inlet. Pressure
Reduced?
Loosen Fitting at Pump
Outlet. Pressure
Reduced?
Pump Problem.
Call Waters
Technical Service.
Blocked Outlet Tubing. Clean or Replace Tubing
(See Section 2.1 and Injector Operator’s
Manual).
Blockage Within Injector or Connecting Tubing.
Clean Blockage (See Injector Operator’s
Manual). Verify Sample Solubility.
Blocked Outlet Tubing. Clean or Replace Tubing
(See Section 2.1). Check Eluent Miscibility (See
600E Multisolvent Delivery System User’s Guide,
Appendix B).
Yes
No
No
No
No
Yes
Yes
Yes