nanoACQUITY/M-Class pump H/W overpressure - WKB94451
Article number: 94451
SYMPTOMS
- Pump hardware overpressure warning stops flow during injection
- Dynamic leak tests successful on A and B pumps
ENVIRONMENT
- nanoACQUITY UPLC
- ACQUITY UPLC M-Class
CAUSE
Capillary tubing between the flow control module and the injection valve is blocked. Possible over tightening of the fittings
FIX or WORKAROUND
Replace the blocked capillary tubing.