Electrical System Problems - Toro Greensmaster eFlex 1021 Service Manual

Electrical System Problems

Greensmaster ® eFlex 1021
20248SL Rev A
Remove all the jewelry, especially rings and watches, before doing
any electrical troubleshooting or testing.
For the effective troubleshooting and repairs, you must have a good
understanding of the electrical circuits and components that are used
on this machine; refer to the Electrical Schematics and Wire Harness
Drawings/Diagrams in
Note: Check the InfoCenter display for possible operator advisories or faults
whenever diagnosing machine electrical problems.
InfoCenter Does Not Start-Up
Possible Causes
The key switch was not rotated to the S
position.
The lithium battery pack is disconnected from
the machine wire harness.
The lithium battery pack is discharged.
Machine F1-1 (30 A) or F1-2 (3 A) fuse is
damaged.
The key switch is damaged.
The main contactor is damaged.
The wire harness connections or wires are
loose or damaged.
The TEC is damaged.
Traction Circuit is Inoperative
Possible Causes
The speed control potentiometer is damaged.
The wire harness connections or wires are
loose or damaged.
A problem exists with the traction or reel drive
system.
The electric motor is damaged.
Note: Fault should be displayed on the
InfoCenter if the electric motor is damaged.
CAUTION
Appendix A (page A–1).
Turn the key switch to the S
TART
wait for the InfoCenter to start.
Connect the battery pack to the machine wire
harness.
Charge the battery pack.
Check the fuses and replace if they are
damaged.
Check the key switch and circuit wires. Repair
as necessary.
Check the main contactor and circuit wires.
Repair as necessary.
Check the electrical connections. Repair the
wire harness as necessary.
Replace the TEC.
Use the InfoCenter Diagnostics screen
to check the speed control potentiometer
operation. Check and repair the speed control
potentiometer and circuit wires if necessary.
Check the electrical connections. Repair the
wire harness as necessary.
Refer to
Systems (page
Use the InfoCenter Faults and Diagnostics
screens to check the reel circuit operation.
Check the electric motor and circuit wires.
Repair as necessary.
Page 3–9 Troubleshooting: Battery Charger Error and Fault Codes
Correction
position and
TART
Correction
Chapter 4: Traction and Reel Drive
4–1).