Siemens ADVIA 2400, Operator'S Manual, Page: 161 / 200

Maintenance 161
Cleaning the dilution bowl and waste-drain nozzle
Materials required:
•
Cotton stick
•
Deionized water
•
Household bleach
•
Toothpick
•
Philips screwdriver
Time: 45 minutes
Analyzer mode: READY
BIOHAZARD
Wear personal protective
equipment.
Use universal precautions.
Cleaning the dilution bowl
1. At the Menu Panel, select
Maint.
, then select
ISE Operation
.
2. At the ISE Operation window, in the Period.wash area, select
OFF
, then select
Set
.
3. Using a Phillips screwdriver, remove the screws (
1
, see Figure 5-1) that secure the
DPP shield to the analyzer panel.
4. Push the DPP shield to the right and slowly lift the DPP shield until it reaches
approximately a 90° angle, then gently lift the tab of the DPP shield and remove.
5. Loosen the thumb screws, then remove the ISE cover.
6. Loosen the screw retaining the stainless steel cover at the top of the ISE unit, and
remove that cover by sliding it toward you.
7. At the ISE Operation window, next to Final operation, type
16
in the field next to
Pure water position.
8. Select container 1 setting for 10-mL tube.
9. Fill a 10-mL tube with deionized water and place it on the CTT tray in position 16.
10. At the ISE Operation window, in the Final operation area, select
Execute
.
Water is dispensed into the ISE module.
11. To dissolve the crystals attached to the liquid-supply nozzle, let it stand for about five
minutes.
12. At the ISE Operation window, in the Dil Bowl drain area, select
Execute
.
The water in the dilution bowl drains.