Machine Faults (continued)
Fault
ID
Fault Title
Controller(s)
Affected
Fault
Condition/Circuit
Description
Additional Notes
Service Actions
P1B2C Starter/Generator
Motor - Stall
T6
The
starter/generator
stalls for 3
seconds or
more.
PTO and
starter/generator
is disabled.
1.
Verify that the starter/generator can
spin freely.
2.
Remove the starter/generator from the
machine and analyze the motor phase
connections between the motor and
controller.
3.
Inspect the 6-wire harness between
the controller and motor.
4.
Replace and program the
starter/generator controller (contact
an Authorized Toro Distributor for
assistance).
P1B31 Starter/Generator
Motor Internal
Regulator
Voltage - High
T6
The internal
regulator voltage
is greater than
18V.
PTO and
starter/generator
is disabled.
1.
Make sure the connections are all
good.
2.
Check battery terminals.
3.
Replace and program the
starter/generator controller (contact
an Authorized Toro Distributor for
assistance).
P1B41 Starter/Generator
Bus Voltage -
High
T6
The
starter/generator
measures the
48V bus voltage
at greater than
65V.
PTO and
starter/generator
is disabled.
Note:
If more
than one Bus
Voltage - High
fault is reported,
go to fault U1511
and follow the
listed service
actions.
1.
Test the 48V batteries.
2.
Verify that all starter/generator
motor-to-controller connections are
good.
3.
Replace and program the
starter/generator controller (contact
an Authorized Toro Distributor for
assistance).
P1B42 Starter/Generator
Bus Voltage -
Low
T6
The
starter/generator
measures the
48V bus voltage
at less than 36V.
PTO and
starter/generator
is disabled.
Note:
If more
than one Bus
Voltage - Low
fault is reported,
go to fault U1512
and follow the
listed service
actions.
1.
Test the 100A BF1 style fuse for the
48V bus voltage (under the seat).
2.
Test the 48V batteries with the engine
shut Off.
3.
Test the 48V logic relay.
4.
Verify that all starter/generator
motor-to-controller connections are
good.
5.
Test the starter/generator (test
procedure pending).
6.
Replace and program the
starter/generator controller (contact
an Authorized Toro Distributor for
assistance).
P1B4C Starter/Generator
Hardware Over
Voltage
T6
The voltage
protection
hardware
inside the
starter/generator
trips.
PTO and
starter/generator
is disabled.
1.
Cycle the key switch.
2.
If the fault repeats, replace and
program the starter/generator
controller (contact an Authorized Toro
Distributor for assistance).
Troubleshooting: Battery Charger Error and Fault Codes
Page 3–30
Greensmaster® eTriFlex 3360 and 3370
19239SL Rev B