Service Manual

Workman GTX Electric Lithium Page 3B -- 1 Electrical System
Chapter 3B
Electrical System -- Lithium
Table of Contents
GENERAL INFORMATION 2.....................
Operator ’s Manual 2..........................
Electrical Drawings 2..........................
Rear Frame Panel Cover 2.....................
Opening Battery Circuit 3......................
ELECTRICAL SYSTEM OPERATION 5............
Vehicle Operation 5...........................
Display 6....................................
CAN Bis Communications 8....................
SC1: Lithium--Ion Battery Cont roller 9...........
SC2: Traction Controller 10....................
SPECIAL TOOLS 11.............................
TROUBLESHOOTING 13........................
Operator Advisories 13........................
Machine Faults 14............................
General Run Problems 20.....................
Battery Charger Problems 22...................
Battery Charger Error Codes 22................
Battery Charger Fault Codes 23................
COMPONENT TESTING 24......................
Fuses 24....................................
CAN Bus 26..................................
T: Di spl ay 27.................................
SC1: Lithium--Ion Battery Cont roller 28..........
SC2: Traction Controller 29....................
Key Switch 34................................
Light Switch 35...............................
Direction Selector Switch 36....................
Supervision Speed Limit Switch 37..............
Parking Brake Switch 38.......................
USB Charge Port 39..........................
Main Contactor (48 VDC) 40...................
Accelerator Pedal 41..........................
Traction Motor 42.............................
On--board Battery Charger 43..................
Diode Assembly 44...........................
CAN Bus Terminator Resistor 45................
Reverse Audio Alarm (if Equipped) 46...........
SERVICE AND REPAIRS 48.....................
Battery Service 48............................
Battery Removal 49..........................
Battery Installation 49........................
Caring for the Lithium--Ion Batteries 50.........
Battery Charging 51.........................
Battery Storage 51..........................
Shipping and Transporting the
Lithium--Ion Batteries 51....................
Traction Motor 52.............................
Traction Motor Service 56......................
SC2: Traction Controller 60....................
SC1: Lithium--Ion Battery Controller (BMS) 62....
On--board Battery Charger 64..................
Electrical
System