SYSMEX SF-3000 - Page 360

TROUBLESHOOTING
Sysmex SF-3000 Operator's Manual -- Revised September 1995 8-39
Background Error
Phenomena As a result of the background check, any of the following parameters
exceeds the acceptable limit:
WBC/BASO
≤ 0.10 x 10
3
/µL
DIFF
≤ 0.10 x 10
3
/µL
RBC
≤ 0.02 x 10
6
/µL
HGB
≤ 0.1 g/dL
PLT
≤ 10 x 10
3
/µL
The background error message window appears with the parameter name as
"WBC/BASO Background Error", etc. The system returns to Ready, however,
the error message remains on the LCD until the error is resolved.
Probable Cause 1) Transducer aperture is dirty.
2) SRV is dirty.
3) Air bubbles exist in the reagent line tubing.
4) Reagent is contaminated or expired.
Corrective Action 1) Execute clog removal sequence. Refer to Chapter 5, Section 6.2:
Execute RBC Aperture Clog Removal Sequence
.
2) Clean the SRV. Refer to
Chapter 5, Section 5.3: Clean SRV .
3) Execute a background check by pressing [Auto Rinse] key in the root
menu.
4) Replace the reagent. Refer to
Chapter 5, Section 8.1: Replace Reagent .