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Waters

Fluctuating pressure on ACQUITY - WKB206359

Article number: 206359

SYMPTOMS

  • Little or no flow when running flow 
  • Other lines work fine
  • Pressure fluctuates
  • Delta psi varies

ENVIRONMENT

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

CAUSE

The solvent line lost prime or contain air bubbles.

FIX or WORKAROUND

  1. Prime the line where the symptoms are observed.
  2. Run dynamic leak test with methanol to confirm it is passing.

ADDITIONAL INFORMATION

 

id206359, A-30SDM, DLT, pressure fluctuation, pressure ripple, UPAQSM, UPPQSM, UPQSM, UPQSM, UPQSM+, UPQSM+, UPQSMBIO, UPQSMBIO, UPQSMBIO+, UPSMFTN, UPSMFTN+, UPSMFTNB+, UPSMFTNBIO

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