CELL-DYN 3000 System Operator’s Manual 10-77
9140240E — May 1995
Chapter 10 Troubleshooting
Table 10.4 Non-Functional Fault Conditions (Continued)
Background count is outside acceptable limits
–––––Probable Cause–––- ––––Corrective Action––––
1. The Analyzer front covers 1. Verify that the ground wires
are removed. are securely connected and
replace the front covers.
Repeat the background
count.
2. Debris is present in the 2. From the second SPECIAL
system or on the aperture PROTOCOLS MENU
plate. Screen, press [AUTO
CLEAN] to clean the
system. When the cycle is
complete, repeat the
background count.
Remove and clean the RBC/PLT
aperture plate. Repeat
the background count.
3. The reagents are cold. 3. Allow the reagents to warm
to room temperature and
then repeat the
background count.
4. The reagents may be 4. Replace the appropriate
contaminated. reagent according to the
directions given in the
Troubleshooting the
Background Count
procedure and the Trouble-
shooting Reagent Problems
procedure in the Trouble-
shooting Tips and
Techniques section of this
chapter.
5. There is liquid in the 5. Clean the vacuum
vacuum accumulator. accumulators.
6. There are bubbles in 6. Clean the diluent syringe.
the diluent syringe.
7. The shear valve is dirty. 7. Clean the shear valve.
Repeat the background count.
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