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Incorrect leak rate profile during dynamic leak test - WKB12203

Article number: 12203

SYMPTOMS

  • Incorrect leak rate profile during dynamic leak test
  • Shows an increase of leak rate on accumulator when leak rate on primary is monitored

ENVIRONMENT

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

CAUSE

Faulty check valve on accumulator pump

FIX or WORKAROUND

Replace the check valve for the accumulator pump.

Accumulator check valve part number for classic ACQUITY: 700002968

Accumulator check valve part number for I-Class ACQUITY: 700003755

Accumulator check valve part number for H-Class ACQUITY: 700005164

ADDITIONAL INFORMATION

 

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