- Air bubbles in the sample syringe
- ACQUITY UPLC Sample Manager
- ACQUITY UPLC H-Class FTN
FIX or WORKAROUND
- Ensure that there is adequate weak wash/purge solvent in the reservoir.
- Prime the sample syringe from the ACQUITY Console. (Move on to step 3 if priming doesn't resolve the issue.)
- Replace the sample syringe and re-prime.