Skip to main content
Waters

System overpressure on ACQUITY CM-A - WKB78941

Article number: 78941

SYMPTOMS

  • When flowing through column 1 on the CM-A, the system overpressures
  • No issue when flowing through column 2 or bypass

ENVIRONMENT

  • ACQUITY UPLC Column Manager
  • ACQUITY UPLC I-Class
  • ACQUITY UPLC Column Manager

CAUSE

Clog in the column valve

FIX or WORKAROUND

Replace the Column Manager switching valve.

ADDITIONAL INFORMATION

H-Class:

  • Valve Cartridge, Rotary Shear, SS (# 700005438)
  • Valve Cartridge, Rotary Shear, TI (# 700005461)
  • Valve Cartridge, Rotary Shear, 2D Systems (# 205000952)

 I-Class:

  • Valve Cartridge, Rotary Shear (# 700008871)

id78941, A-30MCM, UPCMA, UPCMAIVD, UPIBSM, UPIBSM+, UPISMFL, UPISMFL+, UPISMFTIVD, UPISMFTN, UPISMFTN+, UPPCMA, UPQSM, UPQSM+, UPQSMBIO, UPQSMBIO+, UPSMFTN, UPSMFTN+, UPSMFTNB+, UPSMFTNBIO

Not able to find a solution? Click here to request help.