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nanoACQUITY/M-Class pump H/W overpressure - WKB94451

Article number: 94451

SYMPTOMS

  • Pump hardware overpressure warning stops flow during injection
  • Dynamic leak tests successful on A and B pumps

ENVIRONMENT

  • nanoACQUITY UPLC
  • ACQUITY UPLC M-Class

CAUSE

Capillary tubing between the flow control module and the injection valve is blocked. Possible over tightening of the fittings

FIX or WORKAROUND

Replace the blocked capillary tubing.

ADDITIONAL INFORMATION

Tubing, Capillary w/Frit 25u x 18" (# 430002242) - 700011205

 

id94451, DLT, UPMASM, UPMBSM, UPMSMFL, UPNAYXPMP, UPNSAMMGR, UPNSOLMGR

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