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Waters

Shifting retention times on ACQUITY I-Class - WKB49914

Article number: 49914

SYMPTOMS

  • Shifting/unstable retention times in chromatographic run
  • During dynamic leak test, primary pump A or B  unable to compress

ENVIRONMENT

  • ACQUITY UPLC I-Class

CAUSE

Leaking pump

FIX or WORKAROUND

  1. Rebuild primary pump A or B Rebuild kit (700010583)

ADDITIONAL INFORMATION

Primary pump head or seal wash plate to be considered if replacement seals fail. 

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