TROUBLESHOOTING
Sysmex SF-3000 Operator's Manual -- Revised September 1995 8-41
DIFF CCSD Noise Error
PLT CCSD Noise Error
RBC CCSD Noise Error
WBC/BASO CCSD Noise Error
Phenomena The number of cells in the CCSD (cumulative cell size distribution) curve
shows abnormality.
An analysis error may occur, and the "Check Stored Data" also appears.
When the sample being processed is completed, the system returns to
Ready.
Probable Cause 1) External noise interference is present.
2) PCB is defective.
Corrective Action 1) Move the source of external noise (such as radio, centrifuge, temperature
controlled water bath, etc.) well away from the instrument.
2) Reanalyze the sample, if required.
3) If the error persists, contact your Sysmex service representative.
Low Count Error
Phenomena All of the count results are lower than the preset values, even though
sufficient volume is detected by the sensor and no aspiration error is
detected.
An analysis error may occur, and the "Check Stored Data" also appears.
When the sample being processed is completed, the system returns to
Ready.
If the system is set to be stopped by this error, the system will be STAT ready
for the sample analysis in manual or capillary mode.
If the system is set to continue analysis when this error occurs, the system
will process the next sample.
Probable Cause 1) Piercer needle is blocked.
2) SRV is blocked.
3) Whole blood aspiration line is blocked.
Corrective Action 1) Execute shutdown sequence to clean the WB aspiration line and the
piercer needle. Refer to
Chapter 5, Section 3.1: Clean Detector Chamber
and Manometer (Shutdown)
.
When the shutdown sequence is complete and system enters Ready,
reanalyze the sample. If the same error persists, aliquot CELLCLEAN (or
5% filtered sodium hypochlorite) into 3 collection tubes and analyze these
samples in the auto mode to clean the piercer and the whole blood
aspiration line.
2) Clean the SRV. Refer to
Chapter 5, Section 5.3: Clean SRV
.
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