Intermittently poor reproducibility on an ACQUITY H-Class - WKB113694
Article number: 113694
SYMPTOMS
- Intermittently poor reproducibility
- Issue remains after maintenance
- Dips in pressure trace observed
- Passes decay test
ENVIRONMENT
- ACQUITY UPLC H-Class
- ACQUITY UPLC H-Class Bio
CAUSE
Faulty waste outlet check valve
FIX or WORKAROUND
Replace the outlet check valve (410003180; WASTE VALVE, INLINE, 1/4-28 THREADS).
ADDITIONAL INFORMATION
id113694, checkvalve, UPQSM, UPQSM+, UPQSMBIO, UPQSMBIO+, UPSMFTN, UPSMFTN+, UPSMFTNB+, UPSMFTNBIO