System pressure drops at intervals during column conditioning - WKB62034
Article number: 62034
SYMPTOMS
- System pressure drops at intervals during column conditioning
ENVIRONMENT
- ACQUITY UPLC H-Class
- MassLynx
- ACQUITY UPLC I-Class
CAUSE
This behavior is normal. The H-Class SM-FTN intermittently bypasses the sample needle while idle, to provide relief to the needle assembly by switching the injection valve from the "Inject" position to the "Load" position.
FIX or WORKAROUND
This behavior is normal.
ADDITIONAL INFORMATION
id62034, A-30SM, UPISMFTN, UPPFTN, UPQSM, UPQSM+, UPQSMBIO, UPQSMBIO+, UPSMFTN, UPSMFTN, UPSMFTN+, UPSMFTN+, UPSMFTNB+, UPSMFTNBIO