This manual covers the Doosan electric lift truck models B20S-5, B25S-5, B30S-5, B32S-5, BC20S-5, BC25S-5, BC30S-5, BC32S-5, and BC25SE-5. These robust machines are engineered for demanding material handling applications, offering reliable performance through advanced microcontroller control systems. Their design emphasizes efficiency and durability, making them a trusted choice in industrial environments.
This comprehensive service manual is designed for technicians and service personnel. It provides in-depth information on the microcontroller control systems, electrical systems, motor control, and instrument panel functions for the specified Doosan forklift models. The manual details diagnostic procedures, programmable parameters, and troubleshooting guides, including extensive alarm lists and error codes. It also covers the use of specialized diagnostic software and offers procedures for testing, adjusting, and calibrating system components for 36V, 48V, and 80V configurations.
Specifications
Systems Operation
Testing & Adjusting
MicroController Control Systems
B20S-5 B25S-5 B30S-5 B32S-5
BC20S-5 BC25S-5 BC30S-5 BC32S-5
BC25SE-5
for Electric Lift Trucks
Specifications
Assembly Layout of Controller............................. 10
Assembly Layout of Motors (36/48/80 V) ............ 10
B20/25/30/32S-5 Motors........................................ 8
BC20/25/30/32S-5 Motors ..................................... 7
Component Measurements ................................... 5
Controller AS Specification.................................... 6
Control Panel Layout ........................................... 11
Fuses ................................................................... 10
Instrument Panel Layout........................................ 9
Systems Operation
General Information ............................................. 14
Glossary............................................................... 12
Installation and Wiring ......................................... 18
Testing and Adjusting
B20/25/30/32S-5.................................................. 43
BC20/25/30/32S-5 ............................................... 31
Preparation Tests and Check .............................. 27
Programmable Parameters.................................. 30
Some Functions Management............................. 48
Diagnostic and Troubleshooting
Alarm List............................................................. 49
Electrical System Adjustment ............................ 101
General Description ............................................. 49
System Tests and Adjustments ......................... 100
Troubleshooting Problem List.............................. 58
Instrument Panel
Accessing Stored Error Codes .......................... 121
Default Setting ................................................... 118
Diagnostic Mode................................................ 119
Display Keys Utilization ..................................... 108
Instrument Panel................................................ 104
List of diagnostic ................................................ 120
Parameter Calibration........................................ 109
Sensor Initial Setting.......................................... 118
Eye Software Interface
General Information............................................124
Installation ..........................................................125
Features .............................................................126
Main Menu..........................................................128
Troubleshooting of Eye Program .......................158
Appendix
Appendix A : 36[V] Parameter List .....................159
Appendix B : 48[V] Parameter List .....................162
Appendix C : 80[V] Parameter List.....................165
Appendix D : Parameter List ..............................168
Appendix E : Error Code List..............................171
Appendix F : Contraction for dot matrix display. 177
F1. Alarm Code................................... 177
F2. Calibration Code........................... 178
F3. Diagnostic Code ........................... 180
Specifications
Systems Operation
Testing & Adjusting
MicroController Control Systems
B20S-5 B25S-5 B30S-5 B32S-5
BC20S-5 BC25S-5 BC30S-5 BC32S-5
BC25SE-5
for Electric Lift Trucks
Specifications
Assembly Layout of Controller............................. 10
Assembly Layout of Motors (36/48/80 V) ............ 10
B20/25/30/32S-5 Motors........................................ 8
BC20/25/30/32S-5 Motors ..................................... 7
Component Measurements ................................... 5
Controller AS Specification.................................... 6
Control Panel Layout ........................................... 11
Fuses ................................................................... 10
Instrument Panel Layout........................................ 9
Systems Operation
General Information ............................................. 14
Glossary............................................................... 12
Installation and Wiring ......................................... 18
Testing and Adjusting
B20/25/30/32S-5.................................................. 43
BC20/25/30/32S-5 ............................................... 31
Preparation Tests and Check .............................. 27
Programmable Parameters.................................. 30
Some Functions Management............................. 48
Diagnostic and Troubleshooting
Alarm List............................................................. 49
Electrical System Adjustment ............................ 101
General Description ............................................. 49
System Tests and Adjustments ......................... 100
Troubleshooting Problem List.............................. 58
Instrument Panel
Accessing Stored Error Codes .......................... 121
Default Setting ................................................... 118
Diagnostic Mode................................................ 119
Display Keys Utilization ..................................... 108
Instrument Panel................................................ 104
List of diagnostic ................................................ 120
Parameter Calibration........................................ 109
Sensor Initial Setting.......................................... 118
Eye Software Interface
General Information............................................124
Installation ..........................................................125
Features .............................................................126
Main Menu..........................................................128
Troubleshooting of Eye Program .......................158
Appendix
Appendix A : 36[V] Parameter List .....................159
Appendix B : 48[V] Parameter List .....................162
Appendix C : 80[V] Parameter List.....................165
Appendix D : Parameter List ..............................168
Appendix E : Error Code List..............................171
Appendix F : Contraction for dot matrix display. 177
F1. Alarm Code................................... 177
F2. Calibration Code........................... 178
F3. Diagnostic Code ........................... 180
