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Waters

No QDa full scan trace in the Empower Run Samples real-time plot - WKB24865

Article number: 24865

SYMPTOMS

  • The 2998 PDA and the 2695 pressure trace are seen in the real-time plot, but not the QDa full scan or SIR baselines
  • After starting the run, the QDa continues to say running in the Empower QDa control panel, even after aborting the run; QDa must be power-cycled to regain control
  • After removing the QDa full scan from the instrument method and leaving just the dual SIR entries, the QDa appears to work normally

ENVIRONMENT

  • Empower 
  • ACQUITY QDa Mass Detector driver 
  • 2695 Separations Module
  • 2998 Photodiode Array Detector

CAUSE

The QDa full scan was run at a sampling rate of 1 point per second.

FIX or WORKAROUND

Run the QDa full scan at a data rate of 2 points per second or higher.

ADDITIONAL INFORMATION

 

QDA

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