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"Pump h/w Overpressure" error with H-Class QSM - WKB60838

Article number: 60838

SYMPTOMS

  • "Pump h/w Overpressure" error when flow is to column
  • Error does not return when system is placed in bypass
  • Error does not return when pump outlet tubing is removed from the Sample Manager-FTN
  • Error does not return when column outlet tubing is removed from the Sample Manager-FTN

ENVIRONMENT

  • ACQUITY Column Manager
  • ACQUITY H-Class Quaternary Solvent Manager

CAUSE

Clog in the APH (Active Preheater) tubing

FIX or WORKAROUND

  1. Replace APH part 205001774.
  2. Verify that pressure is stable.

ADDITIONAL INFORMATION

 

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