ACQUITY I-Class: No peaks observed, pump A or B primary is flatlining - WKB89789
Article number: 89789
SYMPTOMS
- No peaks observed.
- Pump A or B primary fails to compress.
- Pulsating flow from Pump A or B vent line when priming.
- No flow observed when priming Pump A or B.
ENVIRONMENT
- ACQUITY UPLC I-Class
- ACQUITY UPLC I-Class PLUS
CAUSE
Primary check valve cartridge failed.
FIX or WORKAROUND
Replace primary check valve cartridge (700004139) and perform dynamic leak test.
ADDITIONAL INFORMATION
id89789, checkvalve, DLT, UPBINARY, UPBINARY, UPBSM+, UPIBSM, UPIBSM, UPIBSM+, UPIBSM+, UPISMFL, UPISMFL+, UPISMFTIVD, UPISMFTN, UPISMFTN+, UPPBSM