Alert Indicator - Makita DFR452 Instruction Manual

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.

Alert indicator

The indicator lamp on the push drive mode selector
raises an alert with flashing red lights when the tool
works in the following operating conditions.
► Fig.2: 1. Indicator lamp
Lamp status Causes
Fast flashing (approx.
Battery
one-third second
getting low
intervals)
Delayed flashing
(approx. a second Overheated
intervals)
NOTE: An over-discharge alert may appear depend-
ing on the battery status and operational conditions.
Indicating the remaining battery capacity
Only for battery cartridges with the indicator
Press the check button on the battery cartridge to indi-
cate the remaining battery capacity. The indicator lamps
light up for a few seconds.
► Fig.3: 1. Indicator lamps 2. Check button
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.
Remedies
Charge the battery
at your earliest
opportunity.
Let the tool cool
down before turning
it on again.
Remaining
capacity
Blinking
75% to 100%
50% to 75%
25% to 50%
0% to 25%
Charge the
battery.
The battery
may have
malfunctioned.
Setting for desired screw lengths
For model DFR452 / DFR453
The tool provides 4 positive-lock screw length settings.
Slide the stopper base out and in while depressing the
levers on the top surface of the stopper base so the
number for desired screw length (indicated on the label)
appears in the reading window. See the following table
for details on the numbers allocated to your desired
screw lengths.
► Fig.4: 1. Stopper base 2. Levers 3. Label
4. Reading window
Numbers indicated on
the label
20
25
32
41
For model DFR551 / DFR552
The tool provides 7 positive-lock screw length settings.
Slide the stopper base out and in while depressing the
levers on the top surface of the stopper base so the
number for desired screw length (indicated on the label)
appears in the reading window. See the following table
for details on the numbers allocated to your desired
screw lengths.
► Fig.5: 1. Stopper base 2. Levers 3. Label
4. Reading window
Numbers indicated on
the label
25
30
35
40
45
50
55
Adjusting driving depths
Press the front face of the stopper base and hold the
feeder box down into the casing as far as it will go.
While keeping it in that position, turn the adjusting dial
so that the driver bit tip comes out approximately 6 mm
from the front face of the stopper base.
Drive a trial screw. If the screw head stands above the
workpiece surface, turn the adjusting dial in the A direc-
tion; if the screw head sits below the surface, turn the
adjusting dial in the B direction.
► Fig.6: 1. Approx. 6 mm 2. Stopper base 3. Feeder
box 4. Casing 5. Adjusting dial
9 ENGLISH
Screw length ranges
20 mm (13/16")
25 mm - 28 mm (1" - 1-1/8")
28 mm - 35 mm (1-1/8" - 1-3/8")
35 mm - 41 mm (1-3/8" - 1-5/8")
Screw length ranges
25 mm (1")
25 mm - 30 mm (1" - 1-3/16")
30 mm - 35 mm (1-3/16" - 1-3/8")
35 mm - 40 mm (1-3/8" - 1-9/16")
40 mm - 45 mm (1-9/16" - 1-3/4")
45 mm - 50 mm (1-3/4" - 2")
50 mm - 55 mm (2" - 2-3/16")