How to vent and shut down a quadrupole MS system for a planned power outage - WKB32587

OBJECTIVE or GOAL

Safely shut down the LCMS system in preparation for a planned power outage.

ENVIRONMENT

• MassLynx
• TQD
• SQD
• Xevo TQD
• SQD2
• Xevo TQ
• Xevo TQ-S

PROCEDURE

1. Turn off LC flow into the source.
2. Put the MS into Standby mode.
3. Turn off all gas flows.
4. Vent the instrument (from the Tune Page / Vacuum pull-down menu, choose 'Vent'). In Diagnostics tab monitor the Turbos speed and await until those drops to about 2%.
5. Once the system has vented, close MassLynx.
6. Power-off the MS.
7. Unplug the main power cable to the MS.
8. Power-off the LC modules using power switch on the front of each module.
9. Shut down the PC.

ADDITIONAL INFORMATION