Toro 07413LT Operator's Manual page 50

Machine Fault Codes
Problem
Code P156C, P156E
Code P0226, P156C, B1107
Code P0A54, P156C
Code P2BE8, P2BE9
Code P0A44
Code P0226, P156C
Code P0E8E, P156C
Code P0A2F, P0A3C, P1502, P1511,
P1512
Code P0A44, P1520
Code P156D
Possible Cause
1. There is a controller-configuration fault.
1. The parking brake is engaged while in
F or R position.
ORWARD EVERSE
2. A drive-switch fault occurred.
1. The motor current exceeded the
controller-rated maximum.
2. There is an internal-power component
fault.
1. A main-contactor fault occurred.
1. Exceeded the maximum motor speed.
1. The throttle is pressed while starting
the machine.
2. There is a wire that is not making a
connection.
1. The remaining charge on the batteries
is low.
2. The batteries are fully discharged.
3. The internal capacitor has a pre-charge
of less than 5V.
1. The controller or motor is overheated
or too cold.
1. A motor-encoder fault occurred.
2. Exceeded the maximum motor speed.
1. An internal-software fault occurred.
50
Corrective Action
1. Contact your authorized Toro distibutor.
1. Disengage the parking brake.
2. Turn off the machine and check the
functionality of the switches.
1. Turn the key switch to the O
wait a few seconds, and turn the key
switch to the O position. Check all
N
batteries and high-current controller
connections If the condition continues,
refer to your authorized Toro distibutor.
2. Contact your authorized Toro distibutor.
1. Test the contact wires, coil and
contacts for normal operation.
1. Turn the key switch to the O
wait a few seconds, turn the key switch
to the O position, and check for
N
normal operation.
1. Release the pedal, turn the key switch
to the O position, wait a few seconds,
FF
turn the key switch to the O
and check for normal operation.
2. Test the wiring between the controller
and contactor, switches, and the
status-indicator light.
1. Stop operation, drive slowly to your
nearest charging station, and charge
the batteries fully.
2. Tow the machine to your charging
station and charge the batteries fully.
3. Fully charge the batteries, turn the
key switch to the O position, wait a
FF
few seconds, turn the key switch to
the O position, and check for normal
N
operation.
1. Determine if the motor or controller is
very hot or very cold, then allow the
machine to return to safe temperatures
before resuming normal operation.
1. Check the motor-encoder (speed
sensor) wiring.
2. Turn the key switch to the O
wait a few seconds, turn the key switch
to the O position, and check for
N
normal operation.
1. Contact your authorized Toro distibutor.
position,
FF
position,
FF
position,
N
position,
FF