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ACQUITY BSM shows late RTs at low flow rates; pump fails leak test - WKB205995

Article number: 205995

SYMPTOMS

  • Late RTs in chromatograms
  • Running low flow, 0.070 mL/min
  • Pump fails leak test shortly after rebuild
  • MP is A; H2O with 0.1% TFA b: ACN with 0.1% TFA

ENVIRONMENT

  • ACQUITY BSM

CAUSE

Pump heads and wash spacers are leaking due to TFA.

FIX or WORKAROUND

Replace the heads and wash spacers with new parts on both A and B pumps.

ADDITIONAL INFORMATION

 

id205995, UPBINARY, UPBSM+, UPIBSM, UPIBSM+, UPPBSM

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