CELL-DYN 3000 System Operator’s Manual 10-59
9140240E — May 1995
Chapter 10 Troubleshooting
Table 10.2 General Fault Conditions (Continued)
Shear Valve position fault/BL
––––Probable Cause–––– ––––Corrective Action––––
1. The shear valve did not 1. Clean the shear valve.
rotate properly or in the
allotted time.
__________________________________________________________
RBC diluent syringe overpressure/SB
–––––Probable Cause–––– ––––Corrective Action––––
1. Excessive pressure was 1. Clean the RBC diluent
detected during the syringe.
up-stroke of the RBC
diluent syringe.
2. The shear valve did not 2. Clean the shear valve.
rotate completely or in
the time allotted.
3. The center section of the 3. Verify that the center
shear valve is installed section of the shear valve
backwards. is installed correctly.
4. If the problem persists, call for technical assistance.
__________________________________________________________
Vacuum accumulator (1 or 2) wet/BL
–––––Probable Cause–––– ––––Corrective Action––––
1. The internal vacuum 1. Clean as directed in
accumulator has filled with Chapter 9, Maintenance.
liquid beyond allowable
limits.
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