PROPRIETARY INFORMATION
CONFIDENTIAL MATERIAL
Not for Customer Distribution Flowcharts
AEROSET
®
System Troubleshooting Guide 255
94816-107—November 2004
QC Out of Range, Continued
1. Check for the following:
• Involved assays on same line?
• Involved assays using similar wavelengths?
• Is the reagent kit make up the same for all assays
involved? R1 vs. R2?
2. Multiple assays? Check for the following:
• Test file parameters are correct
• Recent QC or reagent lot changes
• Recent shifts or trends in QC data
• Is QC material assayed or unassayed?
• Manufacturer claims for analyte stability
• Are ranges appropriate to assess system performance?
• Peer group statistics
3. Verify reagent handling:
• Prepared correctly, if preparation required
• Reagent loaded in correct Reagent Carousel and
position
•Expiration date
• Date reagent was opened and placed onboard
• Pipettes—disposable or washed?
• Workload pattern
4. Check calibrators for the following:
• Correct values entered
• Dates opened
• Placed onboard in correct positions
• Length of time calibrators have been onboard
5. Verify instrument:
• Check when source lamp was installed
• Ensure all scheduled maintenance is current
• Check for damaged probes, drips, or drops
• Check cuvette washer performance
• Check for instrument leaks, e.g., pumps and syringes
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