B
LDU ERROR CODES
en-111
Safety, Operation, & Maintenance Manual
Lithium
No Rotation:
The motor does not accelerate to the
target speed within the specified time.
Possible causes could be inertia is
too high, friction is too high, DC volt-
age too low, an error condition, or cur-
rent reduction. If the motor rotates but
not fast enough, attempt increasing
acceleration current or timeout.
Low DC BUS Voltage:
The motor has gone into field weak-
ening before the desired AC voltage
was reached. The most likely cause is
a weak battery or power supply.
Sensor Supply 2 SHC / Dec Too High
Glitch:
The sensor supply 2 current is too
high. The limit is 0.068 A.
Intermittent change of sensor speed
is too high.
Sensor Supply 2 Not Connected:
The sensor supply is too low. The limit
is 0.003A.
Sensor Supply 2 Reference Range /
Sensor Supply 1 Output Voltage Out
of Range:
The sensor supply 2 reference volt-
age is out of of range. The valid range
is 4.60V to 8.30V. Alternately, the
internal sensor supply 1 output volt-
age The valid range is 10.80V to
13.20V.
Sensor Supply 2 Range / Sensor
Supply 2 Output Voltage Out of
Range:
The sensor supply 2 voltage is out of
range. The valid range is 4.60V to
8.30V. Alternately, the internal sensor
supply 2 output voltage is out of
range. The valid range is 4.50V to
5.50V.
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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