Siemens ADVIA 2400 Operator's Manual page 154

f. Fill the tray with deionized water, being careful not to overflow the tray.
g. Pour enough deionized water into the tray so that the center nozzles (yellow-
labeled overflow nozzle) are in liquid.
3. At the Menu Panel, select Maint., then select JEOL Maintenance.
NOTE:
local support provider for access to this menu option.
4. At the JEOL Maintenance window, in the Univers. sequence start area, type 1 in the
Sequence field and 1 in the Number of times field, then select Start.
5. Select Yes at the confirmation window to start the procedure.
•
UNIVERSAL displays as the operation mode.
•
One sequence takes about 65 – 70 seconds.
•
This sequence activates the appropriate devices so all the WUD/DWUD
aspiration nozzles and overflow nozzles are pulling vacuum.
•
The overflow lines (short nozzles) aspirate air after a short while as the liquid in
the container lowers. Add more liquid as necessary to flush out the overflow
lines.
6. When the operation mode returns to READY, lift the WUD/DWUD wash head out of
the tray and temporally place it on top of the WUD/DWUD assembly.
7. Remove and empty the tray, then place it back on paper toweling under the
WUD/DWUD nozzles.
8. Place the WUD/DWUD wash head into the tray and fill the tray with 10% Probe
Wash 3 solution (preferred) or 20% bleach solution (alternate).
9. Pour enough wash solution into the tray, so the center nozzle (yellow-labeled
overflow nozzle) is in liquid, without overflowing the tray.
10. Repeat steps 4 and 5, to clean the WUD/DWUD lines with the 10% Probe Wash 3 or
20% bleach solution.
11. Repeat steps 4 and 5 until the lines are cleaned thoroughly.
NOTE:
wash head in and out of the cleaning solution to introduce air into the lines.
12. When the operation mode returns to READY, lift the WUD/DWUD wash head out of
the tray and temporally place it on top of the WUD/DWUD assembly.
13. Using a lint-free cloth, carefully clean the stainless steel nozzles of the WUD/DWUD
wash head.
14. Remove, empty, and rinse the tray to remove any residual cleaning solution, then
place it back on paper toweling under the WUD/DWUD nozzles.
15. Place the WUD/DWUD wash head into the tray, then fill the tray with deionized
water.
16. Repeat steps 4 and 5 to flush out the cleaning solution with deionized water.
17. Repeat this sequence twice as many times as the sequence was run with the cleaning
solution, to ensure that no residual cleaning solution is left in the lines.
NOTE:
the blue and yellow aspiration lines are not clogged and are working properly.
154
If the JEOL Maintenance option is not listed on the Maint. menu, call your
As an aid to cleaning the aspiration lines, manually lift the WUD/DWUD
A colored food dye may be added to the rinse water as a visual aid, to verify
ADVIA 2400 Operator's Guide