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.
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.
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
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