Sample fluidics over pressure error on an I-Class SM-FTN when trying to prime syringes - WKB18810

SYMPTOMS

• When trying to prime the syringes, a sample fluidics over pressure error occurs
• The user can inject sequences without issues
• Able to prime when syringe inlet removed from inject valve

ENVIRONMENT

• ACQUITY I-Class UPLC system
• Sample Manager - Flow Through Needle (SM-FTN)

CAUSE

Clogged inject valve

FIX or WORKAROUND

1. Remove the inject valve:
   • Go to the ACQUITY/MS Console.
   • Under the Sample Manager, Select Maintain, and then select Park Inject Valve.
   • Remove the single screw at the 11-o'clock position; you can then pull out the inject valve.
2. Place the inject valve face down in a beaker with enough solvent to cover the inside of the ports.
3. Sonicate for 30 minutes and reinstall.
4. If still blocked replace inject valve Part Number:  700006057

ADDITIONAL INFORMATION