Chapter 7: Operation
LED Color Meaning
an error code to the log for troubleshooting purposes.
b While powered up, the LEDs blink back and forth from 1 - 4.
c When on docking station, the right-most LED blinks when the battery pack is balancing. When the battery
is full and balancing is complete, all LEDs light solid.
Figure 7-2 (A) Battery LEDs and Push-Button (Show Level), (B) Power Cable, and (C) Data Cable
Pushing the SHOW LEVEL button displays the battery's state of charge (SOC). This can be use-
ful when a battery is in storage, and you want to know its state of charge.
After pressing the SHOW LEVEL push button, the battery illuminates all LEDs for a brief time,
then blinks the LEDs back and forth one LED at a time, up to the LED representing the current
state of charge. It will continue doing this for 4 hours, until it powers itself off. To turn off this
display manually, press and hold the push button for 10 seconds.
Docking Station
The automated docking station provides both a manual and an automated method of rechar-
ging and balancing your LD-250 battery.
Autonomous Battery Charging on a Docking Station
During normal, autonomous operation, the AMR recharges its battery automatically at a dock-
ing station. The AMR faces the docking station as it approaches at low speed. It then rotates
and reverses onto the docking station to charge. It generally takes under 30 seconds to dock,
but on rare occasions the initial docking attempt might fail and restarts automatically. There is
an approximate 10-second delay before the amber charging LED illuminates.
To protect the battery from damage:
20472-000 Rev B LD-250 Platform User's Guide 119
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