Performance Problems; Checking The Sample Introduction System - PerkinElmer AVIO 500 Customer Hardware And Service Manual

Troubleshooting
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If the above checks fail to make an improvement, turn off the plasma, then check
the following:
• Check that the nebulizer end cap is connected tightly.
• Check the nebulizer spray pattern: run deionized water for several minutes,
then remove the nebulizer end cap. If the nebulizer spray is sputtering or
uneven, inspect the nebulizer tips for clogging and clean or replace them as
necessary.
Note: For a clogged Meinhard K1 nebulizer, try soaking in low acid solution for several
hours or over night. Alternatively, direct a flow of gas (air, nitrogen or argon)
through the nebulizer tip (this can sometimes dislodge a clog in the Ar capillary).
If the plasma has been on, allow one minute for the Quick-Change Torch
Module to cool and an additional two minutes for the torch to cool before
!
checking the following.
Warning
Avertissement: Si le plasma a été allumée, laissez une minute pour le
changement rapide Module Torch refroidir et deux minutes
supplémentaires pour la torche pour refroidir avant de vérifier le suivant.
• Check that the injector is not clogged. You will need to remove the Quick-
Change Torch Module and disassemble the torch as described in Quick-
Change Adjustable Torch Module on page 205.

Performance Problems

Checking the Sample Introduction System

Many performance problems (such as poor precision or loss of signal) can be traced
to the setup and condition of the sample introduction system.
The following list describes general checks for the sample introduction system,
which should be done on a regular basis. Typical symptoms of problems are listed
to help you determine whether maintenance is required.
If you have already done performance checks, refer to the Syngistix Software
Guide on the Syngistix Document Pack CD for details.