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QDa error "failed to go into operate" after modifying nitrogen supply lines - WKB924

Article number: 924

SYMPTOMS

  • Spliced in a T to supply nitrogen to QDa and ELSD from a single source
  • Cycled power on QDa to reset instrument
  • Ran system startup, see error "Failed to put QDa into operate"

ENVIRONMENT

  • ACQUITY QDa Mass Detector

CAUSE

Lack of nitrogen being supplied to the QDa as a result of splitting flow between ELSD and QDa

FIX or WORKAROUND

Remove the modification made to the N2 supply line.

ADDITIONAL INFORMATION

 

id924, QDA

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