Alliance 2695 continues to pump solvent when nitrogen gas is turned off on the QDa - WKB78429
Article number: 78429
SYMPTOMS
Flow does not stop when error message "Flow stopped" appears on MS Console due to nitrogen supply failure.
ENVIRONMENT
- ACQUITY QDa Mass Detector
- Alliance HPLC System
CAUSE
Stop flow event is configured as "ignore", disabling the stop flow terminals (on the I/O connector).
FIX or WORKAROUND
- From "Configuration" in screen key, press Enter to display "Stop flow" in "Event in".
- Change from Ignore to Low.
- Verify functionality. If the flow is not turned off, try High instead.
ADDITIONAL INFORMATION
Refer to the "Operator's guide"
id78429, 2690, 2690D, 2690DUPGD, 2690UP, 2695, 2695D, 2695DE, 2695DEB, 2695DUP, 2695E, 2695EB, 2695INERT, 2695UP, A-10SSM, ALLCOLCLR, ALLCOLHTR, ALLCOLHTRB, QDA