Mindray BC-2800 - Page 241

Troubleshooting Your Analyzer
11-5
6. 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;
7. If the difference is still greater than 2
seconds but consistent, enter the
“Setup → Settings → Count” and
reset 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 to
confirm the difference is less than 2
seconds;
8. If the problem remains, contact
Mindray customer service department
or your local distributor.
WBC bubbles
1. Diluent or rinse running
out;
2. Loose tube connections;
3. Inappropriate WBC
count time setting.
1. Check if the diluent or rinse has run
out. If so, change a new container of
diluent or rinse as instructed in
Chapter 4.4.1;
2. Check the connection of the diluent
and rinse pickup tube. If necessary,
reconnect and tighten them as
instructed by Chapter 4.4.1;
3. If the problem remains, adjust the
WBC count time as instructed by
Chapter 5.3.5;
4. If the problem remains, contact
Mindray customer service department
or your local distributor.
RBC clog
1. Clogged the aperture;
2. Inappropriate RBC
count time setting;
3. Solenoid valve error.
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 RBC
count time. Then enter the “Service →
Self-test” screen and test the actual
RBC count time as instructed by
Chapter 10.5.1.;
3. If the difference between the reference