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B
en-98
Safety, Operation, & Maintenance Manual
LDU ERROR CODES
Lithium
Heatsink temperature is above 185° F
(85° C). Shut mower off and wait ten
minutes. Restart mower. If fault
returns, mower must be towed back
to maintenance shed.
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Not Connected / Short Circuit:
The internal power stage is either not
connected or has short circuited.
This fault is triggered when the
sensor measures above 130°C or
below -50°C.
High:
The internal DC power stage tem -
perature is above the predefined
level.
Not Connected / Short Circuit:
The internal DC motor power stage
temperature sensor is either not con -
nected or has short circuited.
The offset in the current measure -
ment is too high. The offset is
adjusted during power-up of the drive.
Shut mower off, then restart. If fault
returns, mower must be towed back
to maintenance shed.
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    
    
DC Sensor Offset:
The system detected that the offset
is too high. Offset is calibrated when
drive is disabled.
LDU Error Code Description
Caution
LED
Alarm
Sound -
ing
Engine
Stop
Traction
Stop
Mow Stop
On Off Yes No Yes No Yes No Yes No
TRACTION
FAULT 4310
STEERING
FAULT 4310
3WD TRACTION
FAULT 4310
TRACTION
FAULT 4320
STEERING
FAULT 4320
3WD TRACTION
FAULT 4320
TRACTION
FAULT 4510
3WD TRACTION
FAULT 4510
TRACTION
FAULT 4520
3WD TRACTION
FAULT 4520
TRACTION
FAULT 5210
STEERING
FAULT 5210
3WD TRACTION
FAULT 5210
TRACTION
FAULT 5220
3WD TRACTION
FAULT 5220