Waters Xevo TQ MS Operator's, Overview And Maintenance Manual page 86

4 Maintenance Procedures
To use UNIFI software to prepare the instrument for working on the source:
1. On the System Console tool bar, click Stop Flow
If column flow is required, divert the LC flow to waste:
Note:
a. On the Setup pane, click Fluidics.
b. On the Sample Fluidics page, from the Flow Path menu, select
Waste.
2. Click Instrument Standby Mode
indicator is not illuminated.
3. Wait 3 minutes to allow the desolvation gas flow to cool the probe and
source.
4. Stop the API gas by clicking
(If the API gas is already stopped,
86 February 11, 2013, 71500130002 Rev. D
, and confirm that the Operate
.
is shown on the tool bar.)
to stop the LC flow.