Fluctuating pressure on ACQUITY - WKB206359
Article number: 206359
SYMPTOMS
- Little or no flow when running flow
- Other lines work fine
- Pressure fluctuates
- Delta psi varies
ENVIRONMENT
- ACQUITY UPLC H-Class Quaternary Solvent Manager (QSM)
- ACQUITY UPLC I-Class Binary Solvent Manager
CAUSE
The solvent line lost prime or contain air bubbles.
FIX or WORKAROUND
- Prime the line where the symptoms are observed.
- Run dynamic leak test with methanol to confirm it is passing.
ADDITIONAL INFORMATION
id206359, A-30SDM, DLT, pressure fluctuation, pressure ripple, UPAQSM, UPPQSM, UPQSM, UPQSM, UPQSM+, UPQSM+, UPQSMBIO, UPQSMBIO, UPQSMBIO+, UPSMFTN, UPSMFTN+, UPSMFTNB+, UPSMFTNBIO