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Stop flow activated message appears randomly on Quaternary Solvent Manager - WKB30109

Article number: 30109

SYMPTOMS

  • Stop flow activated message appears randomly
  • Happened once when vacuum pump cabinet door was slammed closed
  • Nitrogen gas supply is OK
  • Desolvation gas flow is normal

ENVIRONMENT

  • ACQUITY UPLC H-Class
  • ACQUITY UPLC QSM
  • Xevo TQ-S

CAUSE

Loose contact closure wire at the gas fail output on back of Xevo TQ-S

FIX or WORKAROUND

  1. Reconnect the loose wire to the green terminal block.
  • Black wire in position 3
  • Red wire in position 5

ADDITIONAL INFORMATION

 

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