Toro Greensmaster eTriFlex 3360 Service Manual page 52

Machine Faults (continued)
Fault
Fault Title
ID
C1A20 Steering Motor
Speed Sensor -
Out of Range
C1A22 Steering Motor -
Stall
C1A27 Steering Motor
Position Error
C1A32 Steering Motor
Bus Voltage -
Low
C1A41 Steering
Controller -
Over Current
Troubleshooting: Battery Charger Error and Fault Codes
(Model 04590)
Fault
Controller(s)
Condition/Circuit
Affected
Description
SC7 A sensor inside
the motor fails.
SC7 The steering
motor draws too
much current
for too long
(longer than 1
second when the
traction speed is
higher than 15%,
or longer than 5
seconds when
the traction
speed is lower
than 5%).
SC7 There is a
disagreement
between the
encoder in the
steering motor
and the steering
position sensor.
The steering
SC7
motor detects
that the 48V bus
voltage did not
reach at least
14V within 3.2
seconds of Key
On.
SC7 A current sensor
fails in the
steering motor
controller.
Additional Notes Service Actions
Traction and 1.
steering is
disabled.
2.
3.
Traction and 1.
steering is
disabled.
2.
3.
4.
Traction is 1.
disabled.
2.
3.
4.
5.
6.
7.
Traction and 1.
steering is
disabled.
2.
3.
4.
5.
Traction and 1.
steering is
disabled.
2.
3.
Page 3–16
Replace and program the steering
motor (contact an Authorized Toro
Distributor for assistance).
Cycle the key switch.
Use the InfoCenter to calibrate the
steering system – center first, then the
steering system – range.
Check for binding or restriction of the
rear caster wheel assembly.
Replace and program the steering
motor (contact an Authorized Toro
Distributor for assistance).
Cycle the key switch.
Use the InfoCenter to calibrate the
steering system – center first, then the
steering system – range.
Verify steering position sensor
adjustment.
Check for binding or restriction of the
rear caster wheel assembly.
Verify proper wiring of the steering
position sensor connector (P69).
Test the steering position sensor.
Replace and program the steering
motor (contact an Authorized Toro
Distributor for assistance).
Cycle the key switch.
Use the InfoCenter to calibrate the
steering system – center first, then the
steering system – range.
Test the steering motor 48V bus
standard blade fuse (under seat).
Verify proper power and ground to the
steering motor connector (P46).
Replace and program the steering
motor (contact an Authorized Toro
Distributor for assistance).
Cycle the key switch.
Use the InfoCenter to calibrate the
steering system – center first, then the
steering system – range.
Replace and program the steering
motor (contact an Authorized Toro
Distributor for assistance).
Cycle the key switch.
Use the InfoCenter to calibrate the
steering system – center first, then the
steering system – range.
Greensmaster® eTriFlex 3360 and 3370
19239SL Rev B