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ACQUITY Arc QSM-R shows high system pressure and shuts down - WKB27474

Article number: 27474

SYMPTOMS

  • ACQUITY Arc QSM-R shows high system pressure and shuts down (flow stops) when running on fluidics path 1
  • System pressure is normal when running on path 2

ENVIRONMENT

  • ACQUITY Arc Quaternary Solvent Manager (QSM-R)

CAUSE

Blocked mixer path 1. Older mixer/pathway has 0.5-µm frits, which leads to high system pressure, blockages, and system shutdown.

ADDITIONAL INFORMATION

UPAQSM, UPARBQSM, UPARBSMFTN, UPARCH30, UPARHQSM, UPARQSM, UPARQSM, UPARSMFTN, UPPDAARCB

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