On--Board Battery Charger - Toro Workman GTX Electric & Lithium Service Manual

On- -board Battery Charger
The Workman GTX Electric on--board battery charger is
attached to the left side of the vehicle under the operator
seat.
Power input to the charger is provided at the charging
receptacle by an AC power supply cord. A four (4) wire
output cable with three (3) connectors is used to connect
the charger to the vehicle electrical system. The con-
nectors include battery positive (red wire), battery nega-
tive (black and white wires) and charging lock out (green
wire). The output cable connector for the battery nega-
tive (black and white wires) includes a thermistor (ther-
mally sensitive resistor) used by the charger to identify
battery temperature. Because of the solid state circuitry
built into the charger, there is no method to test the
charger directly (e.g. using a multimeter).
The battery pack charging operation is fully automated.
While connected to an AC power supply, charger activity
can be monitored at the charger diagnostic LED located
near the battery charger charge port on the left side of
the vehicle. Use the table below to identify charger activ-
ity based on the LED color and flash rate. The vehicle
controller prevents the vehicle from operating while
charging the batteries.
IMPORTANT: To obtain maximum battery life, al-
ways charge the batteries when there are 2 or more
bars visible on the dash mounted battery charge in-
dicator. Regularly depleting the batteries to lower
than 2 bars will reduce the life of the batteries.
NOTE: In high--ambient temperature environments, re-
move the seat assembly for optimal charging time. If the
battery charger is too hot, it may not charge properly. In
cold temperatures, it may take a longer for the batteries
to charge.
After charging the vehicle battery pack, make sure that
the water level in all batteries is checked and adjusted
as necessary.
NOTE: Refer to On--board Battery Charger in the Ser-
vice and Repairs section of this chapter for battery
charger removal and installation information.
LED Pattern
Green LED is always
on (not flashing)
Green LED has short
flash (0.1 second ON
and 0.9 second OFF)
Green LED has long
flash (0.5 second ON
and 0.5 second OFF)
Electrical System
Cause
Battery pack is fully charged. None required. Vehicle is ready for operation.
Batteries are less than 80%
charged.
Batteries are more than 80%
charged.
1
1. Operator seat
2. Charging receptacle
2
1
1. Battery charger
2. AC input
3. Charger diagnostic LED
4. Wire to battery + (red wire)
5. Wires to battery - - (black and white wires)
6. Charger lock out wire (green wire)
Necessary Action
Continue charging batteries.
Continue charging batteries.
Page 3A - - 24
3
Figure 34
3. Charger diagnostic LED
5
Figure 35
Workman GTX Electric
2
3
4
6