Electrical System: Troubleshooting - Toro Greensmaster eFlex 1800 Service Manual

Electrical System: Troubleshooting

Greensmaster ® eFlex 1800, 2100 and 2120
12189SL Rev E
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
If the machine has any interlock switches that are bypassed, connect the
switches for the correct troubleshooting and safety.
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 lithium battery pack fuse is damaged.
The key switch is damaged.
The main contactor is damaged.
The wire harness connections or wires are
loose or damaged.
The lithium battery pack is damaged (battery
charger should be used to identify a battery
pack fault).
The TEC is damaged.
Note: The parking brake latch has to be released, the operator presence control
has to be engaged and the speed control has to be above the zero speed
position before the traction circuit will operate.
Traction Circuit is Inoperative
Possible Causes
The traction switch is not adjusted correctly or
is damaged.
The speed control potentiometer is damaged.
CAUTION
Appendix A (page A–1)—Foldout Drawings.
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 battery pack fuse and replace the
fuse if 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 battery pack.
Replace the TEC.
Use the InfoCenter Diagnostics screen to
check the traction switch operation. Adjust or
replace the traction switch if necessary.
Use the InfoCenter Diagnostics screen
to check the speed control potentiometer
operation. Check and repair the speed control
potentiometer and circuit wires if necessary.
Page 3–3
Correction
position and
TART
Correction
Troubleshooting: