Toro Greensmaster e1021 Service Manual page 39

Fault Table (continued)
Fault Fault Title
Controller
Number Affected
15 Software Master
Error
16 Contactor Master
Fault
17 Throttle Master
Sensor
Fault
18 Traction Master
Bail Sensor
Fault
Greensmaster ® e1021/e1026
20246SL Rev A
Fault Condition/Circuit
Description
The software has detected
an issue with reading the
throttle sensor.
The bus voltage was
high enough at power up
to require a discharge
before precharge. The bus
failed to discharge below
threshold in the required
amount of time.
At shutdown, the contactor
is opened and the bus
discharged before shutting
the machine down. This
discharge failed to go
below the threshold in the
required amount of time.
The sensor signals are
outside the expected
range.
The sensor signals are
outside the expected
range.
Page 3–7
Additional
Service Actions
Notes
1. Try rebooting machine,
disconnect and reconnect
the battery, look for short circuits
in the harness.
2. Replace the TEC.
Most likely cause is a shorted
contactor.
Traction is 1. Test the throttle sensor.
disabled.
2. Test the throttle sensor circuit
wiring and connector P05.
3. Replace throttle sensor.
Traction is 1. Test the traction bail sensor.
disabled.
2. Test the traction bail sensor
circuit wiring and connector P26.
3. Replace traction bail sensor.
Troubleshooting: Battery Charger Error and Fault Codes