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