Poor signal from QDa on a SFC Prep 100 - WKB199972
Article number: 199972
SYMPTOMS
- Poor signal on QDa, but PDA peaks are as expected
- Makeup pump pressure is low, fluctuates and occasionally drops to 0 psi
ENVIRONMENT
- SFC Prep 100
- 515 HPLC Pump
- ACQUITY QDa Mass Detector
CAUSE
No flow coming out of the makeup pump
FIX or WORKAROUND
Ensure that the makeup pump is running. Prime/purge and/or service the makeup pump as needed.
ADDITIONAL INFORMATION
id199972, 515, QDA, SFC100C3, SFC100MD