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Waters

System overpressure; CM-A valve clogged - WKB78941

Article number: 78941

SYMPTOMS

  • When flowing through column 1 on the CM-A, the system overpressures
  • No issue when flowing through column 2 or bypass

ENVIRONMENT

  • ACQUITY UPLC Column Manager

CAUSE

Clog in the post-column valve in position 3 (column 1)

FIX or WORKAROUND

Replace the valve (700005438).

ADDITIONAL INFORMATION

 

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