ACQUITY Solvent Manager: Dynamic leak test fails on Primary pump- WKB3220
Article number: 3220
SYMPTOMS
- Dynamic leak test fails for Primary pump
- Pressure fluctuations
- Shifting retention times
ENVIRONMENT
- ACQUITY Arc Solvent Managers
- ACQUITY UPLC Binary Solvent Manager (BSM)
- ACQUITY UPLC H-Class
- ACQUITY UPLC I-Class
CAUSE
Faulty Primary Check Valve
FIX or WORKAROUND
- Replace the Primary Check Valve
ADDITIONAL INFORMATION
After replacing the check valve follow the steps below:
- Prime the solvent line and run some flow to confirm stable System pressure and low pressure delta
- Perform the Dynamic leak test to ensure leak rate is within acceptable limit
Primary check valve ACQUITY Arc QSM-R part number: 700010664
i2V Primary check valve ACQUITY UPLC part number: 700003563
i2V Primary check valve ACQUITY UPLC I-Class part number: 700004139
i2V Primary check valve ACQUITY UPLC H-Class part number: 700003563 (2/pk) or 700005165 (1pk)
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