Makita DGA521 Instruction Manual page 13

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.
Indicating the remaining battery
capacity
Country specific
When you turn the tool on, the battery indicator shows
the remaining battery capacity.
► Fig.3: 1. Battery indicator
The remaining battery capacity is shown as the follow-
ing table.
Battery indicator status
On Off
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 without any indication. 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 shows following state. In this
situation, let the tool cool before turning the tool on again.
On
If the tool does not start, the battery may be overheated.
In this situation, let the battery cool before starting the
tool again.
Remaining
battery
capacity
Blinking
50% to 100%
20% to 50%
0% to 20%
Charge the
battery
Blinking
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.
Releasing protection lock
When the protection system works repeatedly, the tool
is locked and the battery indicator shows the following
state.
In this situation, the tool does not start even if turning
the tool off and on. To release the protection lock,
remove the battery, set it to the battery charger and wait
until the charging finishes.
On
Protections against other causes
Protection system is also designed for other causes
that could damage the tool and allows the tool to stop
automatically. Take all the following steps to clear the
causes, when the tool has been brought to a temporary
halt or stop in operation.
1. Turn the tool off, and then turn it on again to
restart.
2. Charge the battery(ies) or replace it/them with
recharged battery(ies).
3. Let the tool and battery(ies) cool down.
If no improvement can be found by restoring protection
system, then contact your local Makita Service Center.
Switch action
CAUTION:
Before installing the battery car-
tridge into the tool, always check to see that the
slide switch actuates properly and returns to the
"OFF" position when the rear of the slide switch
is depressed.
CAUTION:
Switch can be locked in "ON" posi-
tion for ease of operator comfort during extended
use. Apply caution when locking tool in "ON"
position and maintain firm grasp on tool.
To start the tool, press down the rear end of the slide
switch and then slide it toward the "I (ON)" position. For
continuous operation, press down the front end of the
slide switch to lock it.
► Fig.4: 1. Slide switch
To stop the tool, press down the rear end of the slide
switch so that it returns to the "O (OFF)" position.
► Fig.5: 1. Slide switch
13 ENGLISH
Off
Blinking