10-38
CELL-DYN
3000 System Operator’s Manual
9140240E — May 1995
Troubleshooting
Chapter 10
Troubleshooting Tips and Techniques
Introduction
Effective troubleshooting is possible only when the problem is clearly
recognized and the probable cause is isolated. This is always facilitated
by obtaining sufficient information and data pertaining to the specific
problem. Carefully observe the situation. Document the steps that have
been taken and record all results.
The following section is designed to guide the operator through a logical
series of steps to obtain information regarding the nature of the problem.
If it is necessary to call for technical assistance, this information should
be made available to the Customer Support Center.
Troubleshooting the Background Count
1.
Determine which parameter(s) exceed the background count
specifications: WBC, RBC, PLT, HGB. Refer to
2.
Check the data log to determine when the problem first occurred.
3.
Check the reagent log, maintenance log and if applicable, service
reports to see if the problem occurred immediately after a specific
action. For example, did the problem occur immediately after the
reagent was changed?
4.
Check the background count in the open and closed modes to see if
the problem is common to both modes.
5.
Run an electrical background count using the Electrical
Background specimen type several times and print the results. The
Electrical Background specimen type is found by pressing the
[SPECIMEN TYPE] soft key on the
background for the RBC, MCV and PLT should be zero. The other
background counts shown on the display and printout have the
same acceptable limits as shown in
NOTE: The electrical background cycle turns off the current to
the aperture. This cycle is used to assist in determining if
electrical interference is causing the problem.
6.
Note the lot number of the reagents. Is it a new lot?
7.
For a list of probable causes and corrective actions, refer to
Table 10.4, Non-Functional Fault Conditions
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