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Waters

Error during runs: Needle/Seal move limit exceeded (5.0) - WKB19604

Article number: 19604

SYMPTOMS

  •  Error message "Needle/Seal move limit exceeded (5.0)" appears during runs or during equilibration on SM-FTN 
  • "Characterize Needle Seal" diagnostic passes without issue or error

ENVIRONMENT

  • ACQUITY UPLC H-Class
  • ACQUITY UPLC I-Class
  • SM-FTN

CAUSE

The seal constant is too low (3 N/mm). The load cell cable needs to be reset.

FIX or WORKAROUND

  1. Power-cycle the SM-FTN.
  2. Run the "characterize needle seal" diagnostic and ensure that the seal constant is closer to 8-11 N/mm.

ADDITIONAL INFORMATION

 

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