Electric Brake - Makita DFS451 Instruction Manual

Battery protection system (Battery
cartridge with a star mark)
1
► 1. Star mark
The battery cartridge with a star mark is equipped with
the protection system, which automatically cuts off the
output power for its long service life.
The tool stops during operation when the tool and/or
battery are placed under the following situation. This is
caused by the activation of protection system and does
not show the tool trouble.
• When the tool is overloaded:
At this time, release the switch trigger,
remove the battery cartridge and remove
causes of overload and then pull the switch
trigger again to restart.
• When battery cells get hot:
If any operation of the switch trigger, the
motor will remain stopped. At this time, stop
use of the tool and cool or charge the battery
cartridge after removing it from the tool.
• When the remaining battery capacity gets low:
If any operation of the switch trigger, the motor
will remain stopped. At this time, remove the
battery cartridge from the tool and charge it .
Indicating the remaining battery capacity
(Only for battery cartridges with "B" at the end of the
model number.)
► 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.
1
2
5 ENGLISH
Indicator lamps
Lighted Off
NOTE:
• Depending on the conditions of use and the
ambient temperature, the indication may differ
slightly from the actual capacity.
Switch action
1
► 1. Switch trigger
CAUTION:
• Before inserting the battery cartridge into the
tool, always check to see that the switch trigger
actuates properly and returns to the "OFF"
position when released.
To start the tool, simply pull the switch trigger. Tool
speed is increased by increasing pressure on the switch
trigger. Release the switch trigger to stop.
NOTE:
• Even with the switch on and motor running, the
bit will not rotate until you fit the point of the bit
in the screw head and apply forward pressure to
engage the clutch.

Electric brake

This tool is equipped with an electric brake. If the tool
consistently fails to quickly stop after switch trigger
release, have tool serviced at a Makita service center.
Remaining
capacity
Blinking
75% to 100%
50% to 75%
25% to 50%
0% to 25%
Charge the
battery.
The battery
may have
malfunctioned.