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Waters

"Sample pressure low" message for ACQUITY SM-FL - WKB52000

Article number: 52000

SYMPTOMS

  • "Sample pressure low" message for the ACQUITY Sample Manager during sample runs
  • Needle is not bent
  • Wash solvent is full
  • Resetting the Sample Manager clears the error, but the error returns with the next sample run
  • The sample syringe leak test passes
  • The strong-wash syringe leak test passes, but the weak-wash test fails
  • The needle seal leak test passes
  • Liquid pools on the bottom of the fluidics drawer

ENVIRONMENT

  • ACQUITY Classic UPLC Sample Manager

CAUSE

The weak-wash syringe is leaking.

FIX or WORKAROUND

  1. Replace the wash syringe (700002569).

ADDITIONAL INFORMATION

 

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