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Waters

No flow coming from ACQUITY BSM - WKB46463

Article number: 46463

SYMPTOMS

  • No solvent comes out of the BSM when flow is set
  • No solvent comes out of the prime waste line during priming
  • Solvent does not flow out of the top of the check valve when removed from the pump

ENVIRONMENT

  • ACQUITY UPLC
  • ACQUITY UPLC BSM
  • ACQUITY UPLC H-Class
  • ACQUITY UPLC H-Class Bio
  • ACQUITY UPLC H-Class Quaternary Solvent Manager (QSM)
  • ACQUITY UPLC I-Class
  • ACQUITY UPLC H-Class PLUS
  • ACQUITY UPLC H-Class PLUS Bio
  • ACQUITY UPLC I-Class PLUS
  • ACQUITY UPLC M-Class

CAUSE

Blocked primary check valve cartridge   

FIX or WORKAROUND

  1. Replace the primary check valve cartridge.

ADDITIONAL INFORMATION

Part numbers for primary check valves

  • ACQUITY UPLC / nano with no I2V               700002596
  • ACQUITY UPLC with I2V / ACQUITY H-Class   700003563 
  • ACQUITY H-Class Bio / ACQUITY M-Class       700005414
  • ACQUITY I-Class / THF/Hexane                   700004139

For I2V systems, if replacing the check valve does not correct the problem, replace the I2V actuator.

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