Toro Greensmaster eFlex 1021 Service Manual page 85

Table of Contents
General Information .............................................................................................................................. 5-2
Operator's Manual.............................................................................................................................. 5-2
Electrical Schematics and Diagrams.................................................................................................. 5-2
Disconnecting and Connecting the Lithium Battery Pack ................................................................... 5-3
Electrical System Operation .................................................................................................................. 5-4
Battery Charging ................................................................................................................................ 5-4
Start Process ..................................................................................................................................... 5-4
Run Process ...................................................................................................................................... 5-5
CAN-bus Communications................................................................................................................. 5-6
Toro Electronic Controller (TEC) ........................................................................................................ 5-7
Lithium-Ion Battery Controller (BMS) ................................................................................................. 5-8
InfoCenter Display ........................................................................................................................... 5-10
Adjustments......................................................................................................................................... 5-20
Traction Bail Proximity Sensor ......................................................................................................... 5-20
Testing the Electrical Components....................................................................................................... 5-21
Fuses ............................................................................................................................................... 5-22
CAN bus........................................................................................................................................... 5-24
Toro Electronic Controller (TEC) ...................................................................................................... 5-26
Lithium-Ion Battery Controller (BMS) ............................................................................................... 5-28
Electric Motor ................................................................................................................................... 5-30
Key Switch ....................................................................................................................................... 5-31
Throttle Potentiometer and Clutch Bail Potentiometer...................................................................... 5-33
Main Contactor................................................................................................................................. 5-36
CAN-bus Terminator Resistor .......................................................................................................... 5-38
Relay................................................................................................................................................ 5-39
Service and Repairs ........................................................................................................................... 5-41
Electric Motor ................................................................................................................................... 5-41
Servicing the Electric Motor ............................................................................................................. 5-43
Lithium-Ion Battery Controller (BMS) ............................................................................................... 5-46
Lithium-Ion Battery Pack .................................................................................................................. 5-49
Greensmaster ® eFlex 1021
20248SL Rev C
Electrical System
Page 5-1
Chapter 5
Electrical System