Machine Faults (continued)
Fault
ID
Fault Title
Controller(s)
Affected
Fault
Condition/Circuit
Description
Additional Notes
Service Actions
P1A21 Battery
Charging - Over
Current
SC8
A Li-ion battery
cell charging
current is greater
than 12.52A
when the battery
temperature is
between 5° (41°
F) and 45° C
(113° F), or
greater than
6.25A when
the battery
temperature less
than 5° C (41° F)
or greater than
45° C (113° F).
Note:
This fault
is likely due to
cell imbalance in
the battery pack.
Battery contactor
in Li-ion battery
controller is
opened.
1.
Ensure the correct charger is being
used.
2.
Charge the machine with a known
good charger or replace the charger.
3.
Check battery and charger harnesses
for corrosion or damage.
4.
Forward a copy of the battery output
file (.BDS) to Toro Service (contact
an Authorized Toro Distributor for
assistance).
P1B01 Starter/Generator
Motor - High
Temp Shutdown
T6
The
starter/generator
motor
temperature is
greater than
130° C (266°
F).
PTO and
starter/generator
is disabled.
Note:
This fault is
not produced by
a bad sensor.
1.
Clean the air intake screen on the back
of the starter/generator. Be sure the
starter/generator is pulling air through
the air intake by feeling with your hand
or by testing with a piece of paper.
2.
Let the machine cool.
3.
Reduce the cutting loads by reducing
the reel speed or reducing mow speed.
4.
Replace the starter/generator motor.
P1B11 Starter/Generator
Controller -
High Temp
Shutdown
T6
The
starter/generator
controller
temperature is
greater than 100
°C (212 °F).
PTO and
starter/generator
is disabled.
Note:
This fault is
not produced by
a bad sensor.
1.
Clean the air intake screen on the back
of the starter/generator. Be sure the
starter/generator is pulling air through
the air intake by feeling with your hand
or by testing with a piece of paper.
2.
Let the machine cool.
3.
Reduce the cutting loads by reducing
the reel speed or reducing mow speed.
4.
Replace and program the
starter/generator controller (contact
an Authorized Toro Distributor for
assistance).
P1B20 Starter/Generator
Motor Speed
Sensor Out of
Range
T6
The hall effect
sensors in the
starter/generator
motor provide an
invalid reading.
This fault will
not disable
any machine
functionality.
1.
Check the 6-pin wire harness between
the starter/generator motor and
controller.
2.
If the engine seems to be hunting
or not reaching the desired speed,
replace the starter/generator motor.
P1B21 Starter/Generator
Motor Speed -
High
T6
The speed of the
starter/generator
motor is greater
than 3,600 RPM.
1.
Check the engine governor if the
engine RPM is consistently high.
2.
Check the 6-pin wire harness between
the starter/generator motor and
controller.
3.
Replace the starter/generator motor.
Greensmaster® eTriFlex 3360 and 3370
Page 3–29
Troubleshooting: Battery Charger Error and
19239SL Rev B
