CELL-DYN
®
3200 System Operator’s Manual
9-61
9140181K—July 2002
Section 9
Service and Maintenance
22. If the counts are unacceptable, troubleshoot accordingly (refer to
Troubleshooting and Diagnostics
Rerun samples and confirm that problem is resolved.
23. Record the completion of this procedure in the maintenance log.
Procedure - Closed Mode
Gently pull on hand hold of the Right Front Cover and swing the cover open. Lift
the Tower Cover up and off the instrument (Tower Door on the CS model must be
open).
NOTE:
The Right Front Cover should be open Prior to entering into Closed
Mode. (Wash block is lowered when in the Closed Mode and will prevent
the door from opening.)
1. If the system is not already in the Closed Mode, press the
[CHANGE
SAMPLER]
soft key in the
RUN
menu to select Closed Mode.
2. In the
MAIN MENU
, press
[SPECIAL PROTOCOLS]
followed by [
DIS/ENAB
ANALYZER
] and
[DISABLE ANALYZER]
3. Disconnect the tubing attached to the top of the Closed Sample probe.
(Tubing attached to vertical port on top of needle).
4. Fill one of the syringes with the prepared cleaning solution. Fill the other
syringe with deionized water.
5. Attach the syringe with the cleaning solution to the tubing that had been
connected to the Closed Sample Probe.
6. Locate the tubing between the Y Valve and Shear Valve. Refer to Figure 9.23.
7. Disconnect this tubing at the Shear Valve and place the end in the beaker to
catch liquid.
8. Slowly inject cleaning solution into the Y Valve. The liquid should pass
through the Y Valve carrying any obstructing particles with it.
9. Repeat the flushing process if necessary. When the solution flows freely
through the valve, the flushing process is completed.
10. Remove the syringe with the cleaning solution and attach the syringe
containing the deionized water.
NOTE:
Use paper towels to absorb any liquid that is discharged by the
tubing.
11. Slowly inject the deionized water into the Y Valve to remove any bleach
residue.
12. When finished, remove the syringe containing deionized water.
13. Reconnect the tubing from the Y Valve to the top of the Closed Sample
Probe.
14. Reconnect the tubing between the Y Valve and the Shear Valve.
15. Remove the beaker.
16. Close the Right Front Cover and press into place. Reinstall the Tower Cover.
17. In
[SPECIAL PROTOCOLS]
press
[ENABLE ANALYZER]
followed by
[RETURN]
and
[MAIN]
to return to the
MAIN MENU
.
18. Press
[RUN]
followed by
[SPECIMEN TYPE]
and
[BACKGROUND]
.