- System shows drastically reduced pressure compared with expected values
- When priming the affected pump, the accumulator pressure trace looks unusual (more like a primary pressure trace)
- ACQUITY UPLC BSM
- ACQUITY I-Class BSM
FIX or WORKAROUND
Replace the frit/filter that feeds solvent to the primary check valve.
700002913 - ASSY, CARTRIDGE, FILTER, SS FRIT