Probable cause | Suggested actions | |
|---|---|---|
1 | Air in the primary pump chamber |
Check for air in the solvent inlet lines and the Tuning signal: Purge the lines, condition and if necessary prime the pump head |
2 | Abort due to over pressure | Check solvent and solvent settings Purge and condition the pump head with water |
3 | Leak in inlet valve | Check for moving air bubbles in tubing directly to the inlet valve: Purge the lines with water to remove dirt Knock at the valve, clean it or replace it |
4 | Outlet valve not properly assembled | Retighten the outlet valve Check the position of the gold seal |
5 | Leaky piston seals and/or position-dependent leaks on the piston |
Remove the SW tubes from the support ring and check for leaks Replace the piston seals and clean the pistons: Ensure that seals are lubricated when pushed in Use abrasive mesh > 5000 grit |
base-id: 4192725003
id: 4192725003-2