"Pump H/W Over Pressure" error on ACQUITY solvent manager - WKB54839
Article number: 54839
SYMPTOMS
- "Pump H/W Over Pressure" error
- Pressure is normal with port 5 of injection valve disconnected
ENVIRONMENT
- ACQUITY UPLC I-Class Sample Manager - Flow Through Needle (SM-FTN)
- ACQUITY UPLC H-Class Sample Manager - Flow Through Needle (SM-FTN)
- ACQUITY UPLC Column Manager
CAUSE
Obstruction of injection valve
FIX or WORKAROUND
1. Replace injection valve
ADDITIONAL INFORMATION
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