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Pressure fluctuation on ACQUITY solvent manager - WKB21265

Article number: 21265

SYMPTOMS

  • Pressure fluctuations
  • Pressure dropout
  • Fails dynamic leak test and Static Leak test

ENVIRONMENT

  • ACQUITY UPLC BSM
  • ACQUITY UPLC H-Class Quaternary Solvent Manager (QSM)

CAUSE

Worn plungers and seals

Residue on plunger     

FIX or WORKAROUND

  1. Rebuild pump head
  2. Replace Plunger

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