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ACQUITY BSM or QSM Unstable Pressure - WKB4833

Article number: 4833

SYMPTOMS

  • ACQUITY BSM or QSM Pressure Fluctuations

ENVIRONMENT

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

CAUSE

 

Leak in the pump seals: Inspect for mobile phase coming from the seal wash circuit.

 

FIX or WORKAROUND

  1. Leak in the pump seals: Replace the pump seals.
  2. Purge the pump with MeOH for 10 minutes.
  3. Perform a Dynamic Leak Test, (ACQUITY Console>Maintain>Dynamic Leak Test).

ADDITIONAL INFORMATION

 

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