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Waters

No beam from Xevo TQ-S - WKB922

Article number: 922

SYMPTOMS

  • For an acquisition, the chromatogram is constant at zero 
  • No beam is seen—neither on the tune page when infusing nor with the LC pumping

ENVIRONMENT

  • Xevo TQ-S
  • Quattro Premier
  • Quattro Premier XE
  • Quattro LC
  • Quattro LCZ
  • Quattro micro API
  • Quattro Ultima
  • 3100 Mass Detector
  • ACQUITY SQD system
  • SQ Detector
  • ACQUITY TQD system
  • TQ Detector
  • SQ Detector 2
  • Xevo TQ MS
  • Xevo TQD
  • Xevo TQ-S
  • Xevo TQ-S cronos
  • Xevo TQ-S micro
  • Xevo TQ-XS
  • ZQ 2000
  • ZQ 4000
  • ZMD

CAUSE

The isolation valve is closed.

FIX or WORKAROUND

  1. Open the isolation valve.

ADDITIONAL INFORMATION

 

 

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