Overheat Protection; Overload Protection - Makita DDA450 Manuel D'instruction

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 a few seconds.
Indicator lamps
Lighted Off
NOTE: Depending on the conditions of use and the
ambient temperature, the indication may differ slightly
from the actual capacity.
NOTE: The first (far left) indicator lamp will blink when
the battery protection system works.
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/battery is operated in a manner that
causes it to draw an abnormally high current, the tool
stops automatically. 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.
1
2
Remaining
capacity
Blinking
75% to 100%
50% to 75%
25% to 50%
0% to 25%
Charge the
battery.
The battery
may have
malfunctioned.

Overheat protection

When the tool/battery is overheated, the tool stops
automatically and the lamp will blink. In this situation, let
the tool cool down before turning the tool on again.
Overdischarge protection
When the battery capacity is not enough, the tool stops automatically.
In this case, remove the battery from the tool and charge the battery.
Switch action
CAUTION:
Before installing the battery cartridge into
the tool, always check to see that the switch trigger actuates
properly and returns to the "OFF" position when released.
► 1. Switch trigger
To start the tool, pull the switch trigger. Tool speed is
increased by increasing pressure on the switch trigger.
Release the switch trigger to stop.
NOTE: The tool automatically stops if you keep pull-
ing the switch trigger for about 6 minutes.
Lighting up the front lamp
CAUTION:
Do not look in the light or see the
source of light directly.
► 1. Lamp
Pull the switch trigger to light up the lamp. The lamp
keeps on lighting while the switch trigger is being pulled.
The lamp goes out approximately 10 seconds after
releasing the switch trigger.
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