Skip to main content
Waters

Stop flow input activated on MS system- WKB72027

Article number: 72027

SYMPTOMS

  • Stop flow input activated when flow started or inlet method is loaded.
  • Nitrogen supply is good.
  • API gas is turned on in the tune page.
  • Troubleshoot>Rear panel show a green light for "Stop Flow" on BSM or QSM module

ENVIRONMENT

  • Xevo TQ-S micro
  • Xevo TQD
  • TQD
  • ACQUITY UPLC

CAUSE

Communication issue 

FIX or WORKAROUND

  1. Close MassLynx.
  2. Run StopAcquity Processes from the C:\Program Files (x86)\Waters Instruments\Bin folder.
  3. Restart the MassLynx PC.
  4. Reset the EPC using the button inside the hole on the front of the system marked "reset".

ADDITIONAL INFORMATION

Confirm no liquid can be seen below the MS Divert Valve and reset MS to clear message. Picture below shows Stop Flow is green in Console>BSM>Troubleshoot>Rear panel.  A green light on II port "Stop Flow (In)" indicates that the leak sensor in the MS is triggered. 

clipboard_e640b4d65f36ab9229c3d1a240f617084.png

 

id72027, comms, TQD, TQDIVD, XEVOG2XSQT, XEVOTQ, XEVOTQA, XEVOTQD, XEVOTQDIVD, XEVOTQIVD, XEVOTQS, XEVOTQSCRO, XEVOTQSIVD, XEVOTQSMIC, XEVOTQXS, XEVTQSMIVD, XEVTQXSIVD

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