Makita DFL123F Instruction Manual page 5

LED indicator / Beeper
Led indicator / Beeper on the tool shows the following functions.
Function
Auto-stop This function works when the
fastening tool has reached the preset
fastening torque and normal
tightening has been completed.
This helps overtightening to be
avoided.
Delayed re-start For approximately one second
after auto-stop fastening, the
tool does not start even if the
switch trigger is pulled.
Warning against Insufficient fastening has been
insufficient performed when the switch
fastening trigger has released before
reaching the preset fastening
torque.
Warning for This indicates the appropriate
battery cartridge time to replace the battery
capacity cartridge when the battery
power becomes low.
Checking the This function works when the
remaining battery battery power is almost used
capacity, Autostop up. At this time, tool stops
immediately.
Check the LED This function works to check the
indicator, light and proper operation of the LED
beeper operation indicator, light and beeper when
a battery cartridge has been
inserted into the tool.
Anti-reset of This function works when an
controller abnormal drop of the battery
voltage occurs for some reason,
and the tool stops.
Overheat This function works when the
temperature of the controller
goes up very highly, and the
tool stops.
Operation error of This function works to avoid the
the switch trigger tool's immediate start upon
insertion of battery cartridge
into the tool with the switch
trigger being pulled.
Motor malfunction This indicates the abnormal
condition of the motor. The tool
does not operate.
014718
Status of the LED indicator / beeper
Status
LED indicator
Lights up in green
for approximately
one second.
Lights up in red.
Flickers in red
slowly.
Lights up in red.
Lights up first in
green, next red
(And then the light
comes on.).
Flickers in red
and green
alternatively.
Flickers in red
quickly.
Flickers in red
and green
alternatively.
Flickers in red
and green
alternatively.
Action to be taken
Beeper
— —
A long beep Retighten the screw.
A series of long Replace the battery
beeps with fully charged
one.
A long beep Replace the battery
with fully charged
one.
A series of very —
short beeps
A series of short Replace the battery
beeps with fully charged
one.
A series of short Remove the battery
beeps cartridge
immediately and
cool the tool down.
A series of short Release the switch
beeps trigger.
A series of short Ask Makita service
beeps centers.
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