No system pressure after changing APH on I-Class UPLC - WKB81651
Article number: 81651
SYMPTOMS
- No system pressure after changing APH, which was diagnosed to be blocked, causing pump over pressure error
ENVIRONMENT
- ACQUITY UPLC
- ACQUITY UPLC I-Class
CAUSE
Incorrectly fitted column is leaking at the inlet.
FIX or WORKAROUND
Fit the column according to instructions at https://support.waters.com/KB_Inst/Chromatography/WKB2941_How_to_tighten_the_3-piece_fitting_on_the_Active_Pre-heater.
ADDITIONAL INFORMATION