System over pressure (blocked injection valve) - WKB250835
Article number: 250835
SYMPTOMS
- System over pressure
- Back-flushing restores system but only briefly
ENVIRONMENT
- ACQUITY UPLC Sample Manager - Flow Through Needle PLUS (SM-FTN PLUS)
- ACQUITY UPLC H-Class
- ACQUITY UPLC I-Class
- ACQUITY Premier System
CAUSE
Blockage in injection valve
FIX or WORKAROUND
- Replace the injection valve. Part numbers:
- ACQUITY UPLC Sample Manager - Flow Through Needle: 700005236
- ACQUITY UPLC H-Class: 700005236
- ACQUITY UPLC H-Class Bio: 700005407
- ACQUITY UPLC I-Class FTN: 700006057
- ACQUITY UPLC I-Class FL: 700006069
- ACQUITY Premier FTN: 700005407
- ACQUITY Premier FL: 700013810
- Ensure that system pressure has normalize.
ADDITIONAL INFORMATION
id250835, A-30SM, UPIBSM, UPIBSM+, UPISMFL, UPISMFL+, UPISMFTIVD, UPISMFTN, UPISMFTN, UPISMFTN+, UPPFTN, UPQSM, UPQSM+, UPQSMBIO, UPQSMBIO+, UPSMFTN, UPSMFTN, UPSMFTN+, UPSMFTN+, UPSMFTNB+, UPSMFTNBIO