138 ADVIA 2400 Operator’s Guide
Every 2 months maintenance
Cleaning the dilution tray cuvettes
Materials required:
• 2-liter beaker
• Probe Wash 3 solution (REF 03164495,
PN B01-4183-01)
• Deionized water
Time: 15 minutes (replacement)
10 hours (immersion)
Analyzer mode: Off
BIOHAZARD
Wear personal protective equipment.
Use universal precautions.
Figure 5-19. Components of dilution tray cuvette
1. Prepare 1.5 liters of 5% Probe Wash 3 solution diluted with deionized water.
2. Remove the 6 cuvette segments on the dilution tray (DTT).
a. Unfasten the 2 thumbscrews (
1) on each section.
b. Grasp the cuvette section by the tab (
2) and lift it from the tray.
c. To remove the cuvettes under the dilution washer (DWUD) and splash cover,
turn the tray by hand until the cuvettes are clear.
3. Immerse the cuvette segments in 5% Probe Wash 3 solution.
a. Ensure no air bubbles are in the cuvettes.
b. Allow the cuvettes to soak for at least 10 hours.
4. Wash the cuvettes under running water, then rinse them in deionized water.
5. Drain the water from the cuvettes.
6. Install the cuvette segments on the dilution tray (DTT) and fasten the thumbscrews
by hand.
7. At the Operation Panel, select
Initialize.
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