Mindray BC-20s User manual

BC-20s/BC-30s
AUTO HEMATOLOGY ANALYZER
SERVICE MANUAL

Ⅰ
© 2012－2015 Shenzhen Mindra Bio-medical Electronics Co., Ltd. All rights Reserved.
For this Operator’s Manual, the issued Date is 2015-03.
Intellectual Property Statement
SHENZHEN MINDRAY BIO-MEDICAL ELECTRONICS CO., LTD. (hereinafter called Mindra )
owns the intellectual propert rights to this Mindra product and this manual. This manual ma
refer to information protected b cop right or patents and does not conve an license under
the patent rights or cop right of Mindra , or of others.
Mindra intends to maintain the contents of this manual as confidential information.
Disclosure of the information in this manual in an manner whatsoever without the written
permission of Mindra is strictl forbidden.
Release, amendment, reproduction, distribution, rental, adaptation, translation or an other
derivative work of this manual in an manner whatsoever without the written permission of
Mindra is strictl forbidden.
, , are the trademarks, registered or otherwise, of Mindra in
China and other countries. All other trademarks that appear in this manual are used onl for
informational or editorial purposes. The are the propert of their respective owners.
Responsibilit on the Manufacturer Part
Contents of this manual are subject to changes without prior notice.
All information contained in this manual is believed to be correct. Mindra shall not be liable
for errors contained herein nor for incidental or consequential damages in connection with the
furnishing, performance, or use of this manual.
Mindra is responsible for the effects on safet , reliabilit and performance of this product,
onl if:
 all installation operations, expansions, changes, modifications and repairs of this
product are conducted by Mindray authorized personnel
 the electrical installation of the relevant room complies with the applicable national
and local requirements
 the product is used in accordance with the instructions for use
 It is important for the hospital or organization that employs this equipment to carry
out a reasonable service/maintenance plan. Neglect of this may result in machine
breakdown or injury of human health.
 Be sure to operate the analyzer under the situation specified in this manual
otherwise, the analyzer will not work normally and the analysis results will be
unreliable, which would damage the analyzer components and cause personal
injury.

II
NOTE
 This equipment must be operated by skilled/trained clinical professionals.
Warranty
THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR
IMPLIED, INCLUDING WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR
PURPOSE.
Exemptions
Mindra 's obligation or liabilit under this warrant does not include an transportation or
other charges or liabilit for direct, indirect or consequential damages or dela resulting from
the improper use or application of the product or the use of parts or accessories not approved
b Mindra or repairs b people other than Mindra authorized personnel.
This warrant shall not extend to:
 Malfunction or damage caused by improper use or man-made failure
 Malfunction or damage caused by unstable or out-of-range power input
 Malfunction or damage caused by force majeure such as fire and earthquake
 Malfunction or damage caused by improper operation or repair by unqualified or
unauthorized service people
 Malfunction of the instrument or part whose serial number is not legible enough
 Others not caused by instrument or part itself
Customer Service Department
EC-Representative: Shanghai International Holding Corp. GmbH(Europe)
Address: Eiffestraβe 80, Hamburg 20537, German
Tel: [phone]
Fax: [phone]
Manufacturer: Shenzhen Mindra Bio-Medical Electronics Co., Ltd.
Address: Mindra Building, Keji 12th Road South, High-
tech industrial park, Nanshan,
Shenzhen 518057,P.R.China
Website: www.mindra .com
E-mail Address: service@mindra .com
Tel: [phone]
Fax: [phone]

1
Table of Contents
1 Using This Manual ................................................................................................................... 1-1
1.1 Overview ..................................................................................................................... 1-1
1.2 Who Should Read This Manual .................................................................................. 1-1
1.3 Using This Manual ...................................................................................................... 1-1
1.4 onventions Used in This Manual .............................................................................. 1-2
1.5 Safety Information ...................................................................................................... 1-2
1.6 When you see... ........................................................................................................... 1-4
2 Product Specifications ............................................................................................................. 2-1
2.1 Product Name .............................................................................................................. 2-1
2.2 Physical Specifications ................................................................................................ 2-2
2.3 Electrical Specifications .............................................................................................. 2-2
2.4 Environment Requirements ......................................................................................... 2-3
2.5 Product Specifications ................................................................................................. 2-3
2.5.1 Sample mode ................................................................................................. 2-3
2.5.2 Throughput .................................................................................................... 2-3
2.6 Testing Parameters ...................................................................................................... 2-3
2.7 Performance Requirements ......................................................................................... 2-4
2.7.1 Background/Blank ount .............................................................................. 2-4
2.7.2 arryover....................................................................................................... 2-4
2.7.3 Repeatability ................................................................................................. 2-5
2.7.4 Linearity ........................................................................................................ 2-6
2.8 Display Range ............................................................................................................. 2-7
2.9 Product Description ..................................................................................................... 2-7
2.9.1 Main unit ....................................................................................................... 2-9
2.9.2 Power/status indicator ................................................................................... 2-9
2.9.3 Power input connector ................................................................................... 2-9
2.9.4 [Aspiration] Key .......................................................................................... 2-10
2.9.5 USB ports .................................................................................................... 2-10
2.10 Product onfiguration ............................................................................................... 2-10
2.11 Reagents, ontrols and alibrators ........................................................................... 2-10
2.11.1 Reagents ...................................................................................................... 2-10
2.11.2 Reagent onsumption Volume .....................................................................2-11
2.11.3 ontrols and alibrators ...............................................................................2-11
2.1. Information Storage apacity ....................................................................................2-11
3 System Principles ..................................................................................................................... 3-1
3.1 Introduction ................................................................................................................. 3-1
3.2 Analyzer Workflow ..................................................................................................... 3-1
3.3 Aspiration .................................................................................................................... 3-2
3.4 Dilution ....................................................................................................................... 3-2

Table of Contents
2
3.5 WB Measurement ..................................................................................................... 3-2
3.5.1 Measurement Principle: ................................................................................. 3-2
3.5.2 WB -Related Parameters ............................................................................. 3-3
3.5.3 HGB Measurement ........................................................................................ 3-5
3.6 RB /PLT Measurement .............................................................................................. 3-5
3.6.1 Impedance Method ........................................................................................ 3-5
3.6.2 RB -Related Parameters ............................................................................... 3-6
3.6.3 PLT-Related Parameters ................................................................................ 3-7
3.7 Wash ............................................................................................................................ 3-8
3.8 Troubleshooting .......................................................................................................... 3-8
3.8.1 Flags .............................................................................................................. 3-8
3.8.2 Shielding Protocol ....................................................................................... 3-10
4 Software and Interface ............................................................................................................ 4-1
4.1. Login ........................................................................................................................... 4-1
4.1.1 User ID and Password for Service Level Access .......................................... 4-1
4.1.2 System Self-test When Logging in at Service Access Level ......................... 4-1
4.2 Review ........................................................................................................................ 4-3
4.2.1 Trend Graph .................................................................................................. 4-3
4.3 alibration ................................................................................................................... 4-4
4.3.1 alibration Factors ........................................................................................ 4-4
4.3.2 alibration with alibrator ............................................................................ 4-5
4.4 Sample Probe Debug ................................................................................................... 4-6
4.5 Temperature alibration .............................................................................................. 4-6
4.6 Gain alibration .......................................................................................................... 4-7
4.7 Gain Setup ................................................................................................................... 4-8
4.8 Performance .............................................................................................................. 4-10
4.8.1 Background ount ...................................................................................... 4-10
4.8.2 Reproducibility .............................................................................................4-11
4.8.3 arryover..................................................................................................... 4-12
4.9 Advanced Toolbox .................................................................................................... 4-12
4.9.1 Language Setup ........................................................................................... 4-13
4.9.2 One-key Export ........................................................................................... 4-13
4.10 Software Update ........................................................................................................ 4-14
4.11 Status Indicator .......................................................................................................... 4-16
4.12 Buzzer ....................................................................................................................... 4-16
5 Data Transmission .................................................................................................................... 5-1
5.1 LIS onnection ........................................................................................................... 5-1
5.1.1 Network communication ............................................................................... 5-1
5.1.2 Serial Interface ommunication .................................................................... 5-3
5.1.3 Transmission Mode ....................................................................................... 5-4
5.2 Setup of Data Management Software .......................................................................... 5-5
5.2.1 ommunication Parameter Setup .................................................................. 5-5

Table of Contents
3
5.2.2 ommunication Instrument Management ..................................................... 5-6
5.3 Troubleshooting for ommunication Errors ............................................................... 5-6
6 Fluidics ..................................................................................................................................... 6-1
6.1 Introduction to Fluidic Parts ........................................................................................ 6-1
6.1.1 Mindray valves .............................................................................................. 6-1
6.1.2 LVM fluidic valve ......................................................................................... 6-2
6.1.3 Linkage Syringe Device ................................................................................ 6-2
6.1.4 Preheating bath .............................................................................................. 6-3
6.1.5 Vacuum pump ................................................................................................ 6-3
6.1.6 Air pump ....................................................................................................... 6-4
6.1.7 Sample probe ................................................................................................. 6-5
6.1.8 Probe wipes ................................................................................................... 6-5
6.1.9 Baths .............................................................................................................. 6-6
6.1.10 Filters..................................................................................................... 6-6
6.2 Sample Dilution Flow hart ....................................................................................... 6-7
6.2.1 Whole Blood Mode ....................................................................................... 6-7
6.2.2 Predilute Mode .............................................................................................. 6-8
6.3 Introduction to Fluidic hannels ................................................................................. 6-9
6.3.1 WB /HGB channel ....................................................................................... 6-9
6.3.2 RB /PLT channel ........................................................................................ 6-10
6.4 Sample Volume ......................................................................................................... 6-10
6.5 Temperature of Fluidics ............................................................................................ 6-10
6.5.1 Introduction to the Thermo System ............................................................. 6-10
6.5.2 Diluent Heating System ...............................................................................6-11
6.6 Reagent onsumption Volume ...................................................................................6-11
6.7 Introduction to Sequences ......................................................................................... 6-12
6.7.1 Analysis Sequence under Whole Blood Mode ............................................ 6-12
6.7.2 Analysis Sequence under Predilute Mode ................................................... 6-15
6.7.3 Introduction to Major Maintenance Sequences ........................................... 6-15
7 Hardware System ..................................................................................................................... 7-1
7.1 Hardware System Function Block Diagram ................................................................ 7-1
7.2 Electrical onnection Diagram ................................................................................... 7-2
7.3 Main ontrol Board .................................................................................................... 7-2
7.3.1 Overview ....................................................................................................... 7-2
7.3.2 omponents ................................................................................................... 7-3
7.3.3 Debugging and Troubleshooting ................................................................... 7-7
7.4 Power board ................................................................................................................ 7-9
7.4.1 Overview ....................................................................................................... 7-9
7.4.2 Power Board Replacing and Wiring ............................................................ 7-10
7.5 Touch Screen ontrol Board ......................................................................................7-11
7.5.1 Introduction ..................................................................................................7-11
7.5.2 omponents ..................................................................................................7-11

Table of Contents
4
7.6 Indicator Board ..........................................................................................................7-11
7.6.1 Introduction ..................................................................................................7-11
7.6.2 omponents ................................................................................................. 7-12
7.7 Motors, Photocouplers and Micro-switches .............................................................. 7-12
7.7.1 Introduction ................................................................................................. 7-12
7.8 Liquid Detection Board ............................................................................................. 7-12
7.8.1 Introduction ................................................................................................. 7-12
7.8.2 omponents ................................................................................................. 7-13
7.9 Hardware Troubleshooting ........................................................................................ 7-13
7.9.1 System Error ................................................................................................ 7-13
7.9.2 Troubleshooting for Main ontrol Board .................................................... 7-15
7.9.3 Power Board Errors ..................................................................................... 7-19
7.9.4 Touch Screen ontrol Board Errors ............................................................ 7-19
7.9.5 Indicator Board Errors ................................................................................. 7-20
7.9.6 Motor and Photocoupler Errors ................................................................... 7-21
7.9.7 Liquid detection board error ........................................................................ 7-21
8 Mechanical System ................................................................................................................... 8-1
8.1 Introduction to Mechanical Structure .......................................................................... 8-1
8.1.1 Front of the Analyzer..................................................................................... 8-1
8.1.2 Back of the Analyzer ..................................................................................... 8-3
8.1.3 Left Side of the Analyzer .............................................................................. 8-4
8.1.4 Right Side of the Analyzer ............................................................................ 8-5
8.2 Overview of Assemblies ............................................................................................. 8-5
8.2.1 Introduction ................................................................................................... 8-5
8.2.2 Whole Device ................................................................................................ 8-6
8.2.3 Main Unit ...................................................................................................... 8-7
8.2.4 Front over Assembly (8.4 in) .................................................................... 8-10
8.2.5 Front over Assembly (10.4 inch) ...............................................................8-11
8.2.6 Syringe Assembly ........................................................................................ 8-12
8.2.7 Sample Probe Assembly .............................................................................. 8-13
8.2.8 WB Bath Assembly .................................................................................. 8-14
8.2.9 RB Bath Assembly.................................................................................... 8-15
8.2.10 Pump Assembly ........................................................................................... 8-16
8.2.11 Power Unit .................................................................................................. 8-17
8.2.12 Reagent Detection Assembly ...................................................................... 8-18
8.3 Disassembly and Installation ..................................................................................... 8-18
8.3.1 Tools ............................................................................................................ 8-18
8.3.2 Before disassembly ..................................................................................... 8-19
8.4 Removing the Main Unit ........................................................................................... 8-20
8.4.1 Remove Left Door Assembly ...................................................................... 8-20
8.4.2 Remove Main ontrol Board ...................................................................... 8-21
8.4.3 Remove the right door ................................................................................. 8-23
8.4.4 Remove the RB Bath Assembly ............................................................... 8-23

Table of Contents
5
8.4.5 Remove WB bath and HGB Light Assembly ........................................... 8-24
8.4.6 Remove Preheating Assembly ..................................................................... 8-25
8.4.7 Remove Right Side Valve Assembly ........................................................... 8-26
8.4.8 Remove Liquid Detection Board P BA ..................................................... 8-27
8.4.9 Remove Waste Pump ................................................................................... 8-28
8.4.10 Remove the Air Pump ................................................................................. 8-28
8.4.11 Remove Vacuum hamber Assembly ......................................................... 8-29
8.4.12 Remove the Diluent Temperature Sensor .................................................... 8-30
8.4.13 Remove the Top over ................................................................................ 8-30
8.4.14 Remove the Aspiration Module ................................................................... 8-31
8.4.15 Remove the Motor Horizontal Photocoupler Assembly of Aspiration Module8-32
8.4.16 Replace Sample Probe ................................................................................. 8-32
8.4.17 Remove the Probe Wipe .............................................................................. 8-33
8.4.18 Remove the Aspiration Module Photocoupler in Vertical Direction ........... 8-34
8.4.19 Remove the Front over Assembly............................................................. 8-35
8.4.20 Remove Indicator P BA ............................................................................. 8-37
8.4.21 Remove the Touch Screen ontrol Board ................................................... 8-38
8.4.22 Remove the Touch Screen Assembly .......................................................... 8-39
8.4.23 Remove the Touch Screen ........................................................................... 8-39
8.4.24 Remove the Micro-switch Assembly .......................................................... 8-40
8.4.25 Remove the Syringe .................................................................................... 8-41
8.4.26 Remove the Syringe Motor ......................................................................... 8-42
8.4.27 Remove the Syringe Motor Position Photocoupler Assembly .................... 8-43
8.4.28 Replace RB /WB Isolation hamber Filter ............................................. 8-44
8.4.29 Replace Power Unit ..................................................................................... 8-44
8.4.30 Remove the Recorder .................................................................................. 8-45
9 Troubleshooting ........................................................................................................................ 9-1
10 Adjustment ............................................................................................................................ 10-1
10.1 Adjusting Mechanical Positions ................................................................................ 10-1
10.2 Adjusting Mechanical Positions ................................................................................ 10-3
10.3 Adjusting Analysis omponents ............................................................................... 10-4
10.3.1 Preheating Temperature alibration and Validation .................................. 10-4
10.3.2 ounting hannel Test .............................................................................. 10-5
11 Debugging and Validation After Servicing .......................................................................... 11-1
12 Service BOM ......................................................................................................................... 12-1
13 Appendices ............................................................................................................................ 13-1
A. Fluidic diagram ........................................................................................................ A-1

Table of Contents
6
B. Connection and Tube ................................................................................................ B-1
C. Hardware block diagram ......................................................................................... C-1
D. Cables and Wires ...................................................................................................... D-2
E. Menu Tree .................................................................................................................. E-3
F. Appendix Table .......................................................................................................... F-1

1-1
1Using This Manual
1.1 verview
This chapter describes how to use the service manual. In this manual, the repair methods
of BC-20s/BC-30s are described in detail. Before servicing BC-20s/BC-30s, please carefull read
and understand the content in order to properl carr out maintenance procedures and ensure
the safet of service personnel.
This manual must be used in conjunction with the BC-20s/BC-30s Operator’s manual. It
does not contain information and procedures alread covered in the Operator’s manual of
BC-20s/BC-30s.
 Be sure to operate and service the analyzer strictly as instructed in this manual and the
operator’s manual.
1.2 Who Should Read This Manual
This manual is intended to be read b service professionals who:
 Have comprehensive knowledge of circuitry and fluidics;
 Have comprehensive knowledge of reagents;
 Have comprehensive knowledge of quality control;
 Have comprehensive knowledge of troubleshooting;
 Are familiar with the operations of the system;
 Are able to use basic mechanical tools and understand the terminology;
 Are skilled users of the digital voltmeter and oscillograph;
 Are able to analyze the circuit diagrams and fluidic charts.
1.3 Using This Manual
This manual comprises 12 chapters and 6 appendices. Refer to the table below to find the
information ou need.
If you want to …
……
… See...
learn about B -20s/B -30s's physical specifications Chapter 2 Specifications
learn about B -20s/B -30s's parameters, respective ranges
and test principle
Chapter 3 Operation Principles
learn about interface introduction and upgrading of
B -20s/B -30
Chapter 4 Software and
Interface