PerkinElmer OPTIMA 8000, Customer Hardware And Service Manual

Page: 249 / 285

Troubleshooting
252
Problem Possible Cause(s) Corrective Action
Cannot obtain
suggested BEC value You may not be comparing the
appropriate BEC value for the
wavelength you are using. Refer to the Winlab32 Software Guide
on the WinLab CD for details .
The torch position may need
adjustment. Refer to the torch adjustment
procedures for your instrument.
The plasma viewing position
may need to be optimized. Refer to the Lateral (radial view mode)
and X/Y (axial view mode) torch view
procedures. See
Setting the Torch
Viewing Position on page 121 .
RF power, nebulizer argon
flow, and/or plasma viewing
height may need adjustment. Adjust as necessary. Also, check that
you are using the recommended
settings for your instrument.
The purge windows may
require cleaning. Refer to the instructions for removing
and cleaning the purge windows for
your instrument
.
Results
erroneously
high Corrections may not have been
made for the reagent blank. Aspirate a blank and rerun standards
and samples.
Standard solutions may have
deteriorated or may have been
improperly made. Restandardize with a proven standard.
Background emission may be
present. Use background correction.
Table 6-1. Performance Problems: Troubleshooting Table