Toro Greensmaster eTriFlex 3360 Service Manual page 60

Machine Faults (continued)
Fault
Fault Title
ID
P1522 Traction Motor
Speed Sensor -
Stall
P1527 Traction Motor
Speed Sensor -
Data Invalid
P1529 Traction Motor
Speed Sensor -
Wrong Direction
P152C Traction Motor
Speed Sensor -
Feedback Noisy
P1531 Traction
Motor Internal
Regulator -
Voltage High
Troubleshooting: Universal Groomer Problems
(Optional)
Fault
Controller(s)
Condition/Circuit
Affected
Description
SC5, SC6, The speed
T5 sensor reading
indicates no
movement (stall)
in the indicated
traction motor.
SC5, SC6 The speed
sensor reading
is invalid in
the indicated
traction motor.
SC5, SC6 the speed
sensor shows
the motor
moving in the
wrong direction
in the indicated
traction motor.
SC5, SC6 The speed
sensor feedback
is noisy in
the indicated
traction motor.
T5 The internal
regulator voltage
is greater than
15V.
Additional Notes Service Actions
Traction is 1.
disabled.
2.
3.
4.
Traction is 1.
disabled.
2.
3.
4.
Traction is 1.
disabled.
2.
3.
4.
5.
6.
Traction is 1.
disabled.
2.
3.
4.
5.
3WD Traction is 1.
disabled.
2.
3.
4.
Page 3–24
Inspect the wiring and connectors.
Test the supply voltage to the speed
sensor.
Test the ground to the speed sensor.
Replace the traction motor.
For SC5 and SC6, use the InfoCenter
to calibrate the traction motors.
For T5, program the traction motor
(contact an Authorized Toro Distributor
for assistance).
Inspect the wiring and connectors.
Test the supply voltage to the speed
sensor.
Test the ground to the speed sensor.
Replace the traction motor. Use the
InfoCenter to calibrate the traction
motors.
Inspect the wiring and connectors.
Verify the sin/cos wires are correct
from the traction controller to the
traction motor.
Test the supply voltage to the speed
sensor.
Test the ground to the speed sensor.
Test the cables on the U, V, and W
phases.
Replace the traction motor. Use the
InfoCenter to calibrate the traction
motors.
Inspect the wiring and connectors.
Test the supply voltage to the speed
sensor.
Test the ground to the speed sensor.
Test the cables on the U, V, and W
phases.
Replace the traction motor. Use the
InfoCenter to calibrate the traction
motors.
Inspect the wiring and connectors
(P19, P20).
Check the 48V logic relay and
connections.
Inspect the battery terminals.
Replace and program the traction
motor (contact an Authorized Toro
Distributor for assistance).
Greensmaster® eTriFlex 3360 and 3370
19239SL Rev A