SM-FTN syringe leak test fails - WKB4005
Article number: 4005
SYMPTOMS
- SM-FTN syringe leak test fails
- Carry-over
- Poor reproducibility
ENVIRONMENT
- ACQUITY UPLC H-Class Sample Manager FTN
- ACQUITY UPLC I-Class Sample Manager FTN
CAUSE
Air in the fluidics lines. Bubble(s) seen in the syringe.
FIX or WORKAROUND
- Prime the SM-FTN with both wash solvent and purge solvent. Prime the wash solvent at least 60 seconds and the purge solvent at least 10 times.
- While priming the purge solvent verify that there are no bubbles in the syringe.
- If there are bubbles, flick the metal pin with a finger several times until all bubbles are removed.
ADDITIONAL INFORMATION
Sample Syringe leak test can fail directly after PM.
Transducer with fittings, tighten all in case that a leak has caused the air in the fluidics. If not able to get rid of leak, cut the ends of the PEEK tubing with PEEK cutter and tighten.
