Mindray BC-2800 Operator's Manual page 240

HGB adjust HGB blank voltage within 3.2
V to 3.4 V or 4.8 V to 4.9 V.
WBC clog
1. Clogged the aperture;
2. Inappropriate WBC count
3. Solenoid valve error.
Troubleshooting Your Analyzer
time setting;
11-4
5.3.4 to set the voltage within 3.4 to
4.8V, preferably 4.5V;
3. If the problem remains, shut down
your analyzer and contact Mindray
customer service department or you
local distributor.
1. Do the probe cleanser cleaning
procedure as instructed in Chapter
10.3.6.;
2. If the problem remains, adjust the
HGB gain as instructed by Chapter
5.3.4 to set the voltage within 3.4 to
4.8V, preferably 4.5V;
3. If the problem remains, shut down
your analyzer and contact Mindray
customer service department or you
local distributor.
1. Enter the "Service → Maintenance"
screen. Zap and flush the aperture as
instructed by Chapter 10.3.4 and
10.3.5;
2. Enter the "Setup → Settings →
Count" screen and record the WBC
count time. Then enter the "Service →
Self-test" screen and test the actual
WBC count time as instructed by
Chapter 10.5.1.;
3. If the difference between the reference
WBC count time and the actual WBC
count time is less than 2 seconds, the
error has been removed;
4. If not, enter the "Service →
Maintenance" screen and do the
probe cleanser cleaning procedure as
instructed by Chapter 10.3.6;
5. Enter the "Setup → Settings →
Count" screen and record the WBC
count time. Then enter the "Service →
Self Test" screen and test the actual
WBC count time as instructed by
Chapter 10.5.1;