- "Pump h/w Overpressure" error when flow is to column
- Error does not return when system is placed in bypass
- Error does not return when pump outlet tubing is removed from the Sample Manager-FTN
- Error does not return when column outlet tubing is removed from the Sample Manager-FTN
- ACQUITY Column Manager
- ACQUITY H-Class Quaternary Solvent Manager
Clog in the APH (Active Preheater) tubing
FIX or WORKAROUND
- Replace APH part 205001774.
- Verify that pressure is stable.