Toro Workman GTX Electric & Lithium Service Manual page 88

Fault Fault Title
ID
P1A02 Battery
Charging--
Low Temp
Shutdown
P1A11 Battery
Charging
Voltage --
High
P1A21 Battery
Charging --
Over Current
P2BE8 Traction Motor
Contactor --
Open
P2BE9 Traction Motor
Contactor --
Closed
Electrical System
Controll Fault Condition /
er(s) Circuit Description
Affected
SC1 A battery
temperature was
measured to be less
than the allowed
threshold and will
not charge.
SC1 A battery voltage
was measured to be
higher than the
allowed threshold
while the battery
charger was
connected.
SC1 A battery charging
current was
measured to be
greater than the
allowed threshold.
This is likely due to
an internal
imbalance in one or
more of the
batteries.
SC2 The contactor is
detected open when
it should be closed.
SC2 The contactor is
detected closed
when it should be
open. It is likely
welded shut.
Page 3B - - 18
Additional Notes Service Actions
One or more of the Let the machine warm up
batteries temp is before operating.
less than --10 ºC.
Battery contactor is
opened.
Battery contactor is 1) Check the charger for
opened. faults.
2) Replace the charger.
Battery contactor is 1) Replace the charger.
opened.
2) Check battery and charger
harness for damaged wires.
3) Contact an Authorized
Toro Distributor for
assistance.
Both traction motors 1) Check voltage across the
measure a low bus coil of the contactor. Should
voltage when the be approx. 48V if the
contactor should be contactor is engaged.
closed.
2) Check the voltage across
Traction is disabled. the contactor. Should be 0V if
contactor is closed.
3) Test the contactor.
4) If this fault occurs
concurrently with a generator
under voltage fault or system
under voltage related fault,
check the key switch.
Traction is disabled. 1) Check the voltage across
the contactor with the key off.
Should be 48V.
2) Check voltage across the
coil of the contactor with Key
OFF. Should be 0V.
3) Test the contactor.
4) Replace contactor.
Workman GTX Electric Lithium