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Waters

ACQUITY Arc QSM-R error: Pump HW overpressure - WKB22589

Article number: 22589

SYMPTOMS

  • "Pump HW overpressure" error occurs when flowing through path 1
    • No overpressure observed when flowing through path 2

ENVIRONMENT

  • ACQUITY Arc QSM-R

CAUSE

Path 1 mixer has a blocked or clogged filter frit.

ADDITIONAL INFORMATION

Mixers with larger frit sizes are now available. Please refer to article 23212 for details.

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