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ACQUITY SM-FTN fails needle seal readiness test - WKB24940

Article number: 24940

SYMPTOMS

  • Needle seal readiness test fails
  • Low system pressure
  • Pressure fluctuation after injection

ENVIRONMENT

  • ACQUITY UPLC H-Class
  • ACQUITY UPLC I-Class

CAUSE

Leak from the needle seal.

FIX or WORKAROUND

  1. Replace the needle, PN 700005215
  2. Replace seal port tubing, PN 700005234
  3. Replace seat Vespel w/anti-rot, PN 405011492

ADDITIONAL INFORMATION

 

pressure ripple

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