Overload Protection; Overheat Protection; Overdischarge Protection - Makita DRS780 Instruction Manual

CAUTION:
Always install the battery cartridge
fully until the red indicator cannot be seen. If not,
it may accidentally fall out of the tool, causing injury to
you or someone around you.
CAUTION:
Do not install the battery cartridge
forcibly. If the cartridge does not slide in easily, it is
not being inserted correctly.
NOTE: The tool does not work with only one battery
cartridge.
Tool / battery protection system
The tool is equipped with a tool/battery protection sys-
tem. This system automatically cuts off power to the
motor to extend tool and battery life. The tool will auto-
matically stop during operation if the tool or battery is
placed under one of the following conditions.

Overload protection

When the tool is operated in a manner that causes it to
draw an abnormally high current, the tool automatically
stops. In this situation, turn the tool off and stop the
application that caused the tool to become overloaded.
Then turn the tool on to restart.

Overheat protection

When the tool is overheated, the tool stops automatically,
and the battery indicator blink about 60 seconds. In this situ-
ation, let the tool cool down before turning the tool on again.
On
Overload alert
If the tool is operated with excessive load, the mode indicator
will blink in green. The mode indicator stops blinking and then
lights up or turns off if you reduce the load on the tool.
1
► 1. Mode indicator

Overdischarge protection

When the battery capacity becomes low, the tool stops
automatically. If the product does not operate even
when the switches are operated, remove the batteries
from the tool and charge the batteries.
Indicating the remaining battery
capacity
► 1. Battery indicator 2. Check button
Press the check button to indicate the remaining battery
capacities. The battery indicators correspond to each
battery.
Blinking
Indicating the remaining battery
capacity
Only for battery cartridges with the indicator
► 1. Indicator lamps 2. Check button
Press the check button on the battery cartridge to indi-
cate the remaining battery capacity. The indicator lamps
light up for few seconds.
7 ENGLISH
1
2
Battery indicator status
Off
On
Remaining
battery
capacity
Blinking
50% to 100%
20% to 50%
0% to 20%
Charge the
battery
1
2