ACQUITY UPLC shows shifting retention time - WKB242048
Article number: 242048
SYMPTOMS
- Shifting peak retention times
- Late peak retention time
- BSM fails Dynamic Leak Test
ENVIRONMENT
- ACQUITY UPLC
- ACQUITY UPLC BSM
- ACQUITY UPLC H-Class
- ACQUITY UPLC I-Class
CAUSE
Failed seals and/or check valves on primary or accumulator pump
FIX or WORKAROUND
Rebuild pump or pumps, replacing seals and check valves as needed, using the following rebuild kits:
ACQUITY Accumulator Pumphead Rebuild Kit (700004746)
ACQUITY i2V Primary Pumphead Rebuild Kit (700004747)
ACQUITY Primary Pumphead Rebuild Kit (700004748)
ADDITIONAL INFORMATION
id242048, checkvalve, DLT, UPBINARY, UPBSM+, UPBSMIVD, UPIBSM, UPIBSM+, UPIBSMIVD, UPLCCOLHTR, UPNBINARY, UPPBSM, UPSMIVD, UPSMPMGR