Sudden pressure drop with ACQUITY UPLC I-Class Binary Solvent Manager - WKB287413
Article number: 287413
SYMPTOMS
- Loss of flow/pressure
- Solvent lines are primed, both through ACQUITY Console and manually
- Pressure restored when MeOH is used as mobile phase
- Pressure drops when ACN is used as mobile phase
ENVIRONMENT
- ACQUITY UPLC I-Class Binary Solvent Manager
- ACQUITY UPLC I-Class Binary Solvent Manager PLUS
CAUSE
Faulty primary check valve
FIX or WORKAROUND
Replace the primary check valve (part 700004139).
ADDITIONAL INFORMATION
id287413, checkvalve, eluent, methanol, UPBINARY, UPBSM+, UPIBSM, UPIBSM, UPIBSM+, UPIBSM+, UPISMFL, UPISMFL+, UPISMFTIVD, UPISMFTN, UPISMFTN+, UPPBSM