Chapter7   Troubleshooting 
Mindray Customer Service Department or the distributor. 
7.2.24 Syringe Motor Error 
Something is wrong with the motor controls the syringe that 
aspirates/dispenses samples and reagents.     
Solution:  
Access Service 
→
 Self-test 
→
 Machine and test the motor The error will be 
cleared if the result is normal; otherwise, call Mindray Customer Service 
Department or the distributor. 
7.2.25 Rotation Motor Error 
Something is wrong with the motor that rotates the sample probe.   
Access Service 
→
Self-test 
→
 Machine and test the motor. The error will be 
cleared if the result is normal. Otherwise, call Mindray Customer Service 
Department or the distributor. 
7.2.26 Elevator Motor Error 
Something is wrong with the motor that controls elevation of the sample probe.   
Access Service 
→
 Self-test 
→
 Machine and test the motor. The error will be 
cleared if the result is normal. Otherwise, call Mindray Customer Service 
Department or the distributor. 
7.2.27 A/D Error 
Something is wrong with the A/D converter on the CPU board.   
Solution:  
Access Service → Self-test → Circuit. Test the A/D interrupt.     
The error will be cleared if the test result is normal. Otherwise, call Mindray 
Customer Service Department or the distributor. 
7.2.28 Vacuum Error 
The system does not reach the expected vacuum within the given time.   
Solution:  
Access  Service 
→
 Self-test 
→
 Tubing and test the vacuum. The error will 
be cleared if the result is normal; otherwise, call Mindray Customer Service 
Department or the distributor. 
7.2.29 Pressure Error 
The vacuum chamber does not reach the expected pressure within the given 
time.  
Solution:  
Access Service 
→
 Self-test 
→
 Tubing and test the pressure. The error will 
be cleared if the result is normal; otherwise, call Mindray Customer Service 
Department or the distributor. 
   BC-2800 Auto Hematology Analyzer (V1.0)                        7-8