Toro Greensmaster eTriFlex 3360 Service Manual page 63

Machine Faults (continued)
Fault
Fault Title
ID
P1542 Traction Motor
Phase - Voltage
Low
P1554 Traction Motor
Contactor Coil -
Short Circuit
P1555 Traction Motor
Contactor Coil -
Open Circuit
Greensmaster® eTriFlex 3360 and 3370
19239SL Rev B
Fault
Controller(s)
Condition/Circuit
Affected
Description
SC5, SC6 The motor
phase voltage is
out-of-range low
in the indicated
traction motor.
The coil engage
SC5
output of the
controller is
shorted.
An open circuit is
SC5
detected on the
NMC signal from
the controller.
Additional Notes Service Actions
Traction is If the fault occurs at start up (contactor
disabled. does not close):
1.
2.
3.
4.
5.
If the fault occurs while the motor is running:
1.
2.
3.
4.
5.
Traction is
1.
disabled.
2.
3.
4.
5.
Traction is
1.
disabled.
2.
3.
4.
5.
Page 3–27 Troubleshooting: Battery Charger Error and
Test the cables on the U, V, and W
phases.
Inspect the motor power cables
connections.
Replace and program the traction
motor controller (contact an Authorized
Toro Distributor for assistance).
Cycle the key switch.
Use the InfoCenter to calibrate the
traction motor controller.
For SC5, calibrate the traction pedal
first, then the traction motors.
For SC6, calibrate the traction motors.
Inspect the motor power cables
connections.
Test the traction motor contactor.
Replace and program the traction
motor controller (contact an Authorized
Toro Distributor for assistance).
Cycle the key switch.
Use the InfoCenter to calibrate the
traction motor controller.
For SC5, calibrate the traction pedal
first, then the traction motors.
For SC6, calibrate the traction motors.
Check the connection between the
controller output and the motor.
Test the traction motor contactor.
Replace and program the traction
motor controller (contact an Authorized
Toro Distributor for assistance).
Cycle the key switch.
Use the InfoCenter to calibrate traction
pedal first, then the traction motors.
Check the connections between the
controller outputs and the motor (P35,
P10).
Test the traction motor contactor.
Replace and program the traction
motor controller (contact an Authorized
Toro Distributor for assistance).
Cycle the key switch.
Use the InfoCenter to calibrate traction
pedal first, then the traction motors.
Fault Codes (Model 04590)