Peak area and heights are decreasing and it appears that the H-Class FTN sample manager is not aspirating the correct amount of sample - WKB29757
Article number: 29757
SYMPTOMS
- Response is decreasing.
- Injection accuracy is poor.
- Leak test for sample manager passes.
- Needle Seal Readiness Test passes.
ENVIRONMENT
AQUITY H-Class UPLC system
CAUSE
Possible air in the system.
FIX or WORKAROUND
Prime the wash solvent for 60 seconds and then purge solvent for 20 cycles.
ADDITIONAL INFORMATION
id29757, UPQSM, UPQSM+, UPQSMBIO, UPQSMBIO+, UPSMFTN, UPSMFTN+, UPSMFTNB+, UPSMFTNBIO