9
LED indicator / Beeper

Led indicator / Beeper on the tool shows the following func-

tions.

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