ASAP 2460 Operator’s Manual Appendix B
246-42800-01 - Dec 2013 B-19
4017- Damage to the instrument will result if the sample has not been manually evac-
uated. Have you evacuated the sample?
Cause: You did not select Backfill sample at start of analysis on the Sample
Backfill Options dialog box. The sample tube is normally at atmo-
spheric pressure when an analysis is started,
and it must be backfilled
before the analysis begins to prevent sample material from being
drawn into the manifold.
Action: If you have manually evacuated the sample tube, select
Yes. If you
have not, select
No and then either perform a manual evacuation or go
to the Sample Backfill Options dialog box and select Backfill sample
at start of analysis.
4020- Disabling this option may damage the instrument. Are you sure that the sample
should not be backfilled?
Cause: You did not select Backfill sample at start of analysis on the Sample
Backfill Options dialog. The sample tube is normally at atmospheric
pressure when an analysis is started; it must be backfilled before the
analysis begins to prevent sample material from being drawn into the
manifold.
Action: If you want to manually evacuate the sample pri
or to the start of the
analysis, select
Yes. Otherwise, select No, go to the Sample Backfill
Options dialog, and select Backfill sample at start of analysis.
4021- The entered Po value (Po and Temperature Options of the Analysis Conditions)
is outside the range of the pressures listed in the Psat vs. Temperature Table (Adsorp-
tive Properties).
Cause: The temperature that corresponds to the entered Po cannot be found
because the entered Po is outside of the range of values in the Psat vs. T
table.
Action A: Enter a Po that is within the range of the table.
Action B: Use a different Psat vs. T table.
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