Siemens ADVIA 2400, Operator'S Manual, Page: 155 / 200

Maintenance 155
18. When the operation mode returns to READY, move the WUD/DWUD wash head on
top of the WUD/DWUD assembly and secure it by tightening the 4-mm captive hex
screw.
19. Remove the tray and paper towels from the system.
20. Repeat this procedure from step 2 for the other wash head, if needed, and then
proceed to step 21.
21. Exit the JEOL Maintenance window.
22. Run a Startup Wash (WASH3) procedure on the system, then verify proper hydraulic
operation and mechanical alignment of the WUD/DWUD assemblies during the
Startup Wash.
23. Run your laboratory’s quality control material and verify the results are within
acceptable ranges.
Washing all the ISE lines
Materials required:
•
2 clean, empty buffer bottles
•
Probe Wash 3 solution
•
Dummy electrode
•
Phillips head screwdriver
Time: 15 minutes
Analyzer mode: Manual operation
BIOHAZARD
Wear personal protective
equipment.
Use universal precautions.
1. At the Menu Panel, select Maint . , then select ISE Operation.
2. In the Period.wash area, select OFF, then select Set.
3. Open the front doors and replace the buffer solution (
1
) with another buffer bottle
containing 500 mL of deionized water.
1) ISE buffer bottle
2) RRV (Reaction) bath oil bottle
3) Isotonic saline diluent bottle
4) Cuvette detergent bottle
5) Cell conditioner bottle
Figurer 5-36. Location of ISE Buffer bottle
4. Loosen the thumb screw and lift the ISE cover.
5. Disconnect the electrode connectors.
6. Remove the thumbscrew (
1
) to release the plate that secures the electrodes and the
block containing the electrode.