Makita BFT040F Instruction Manual page 10

LED indicator (Fig. 7)
The lamp on the tool shows the following functions.
Function
This function works when the tool has
reached the preset fastening torque
Auto-stop
and normal tightening has been com-
fastening
pleted. This helps overtightening to be
avoided.
For approximately one second after
Delayed re-start auto-stop fastening, the tool does not
start even if the switch trigger is pulled.
Insufficient fastening has been per-
Warning against
formed when the switch trigger has
insufficient fasten-
released before reaching the preset fas-
ing
tening torque.
Warning for bat- This indicates the appropriate time to
tery cartridge replace the battery cartridge when the
capacity battery power becomes low.
Checking the
This function works when the battery
remaining battery
power is almost used up. At this time,
capacity,
tool stops immediately.
Autostop
This function works to check the proper
Check the LED
operation of the LED indicator, light
indicator, light and
and beeper when a battery cartridge
beeper operation
has been inserted into the tool.
This function works when an abnormal
Anti-reset of
drop of the battery voltage occurs for
controller
some reason and the tool stops.
This function works when the tempera-
Overheat ture of the controller goes up very
highly, and the tool stops.
This function works to avoid the tool's
Operation error of immediate start upon insertion of bat-
the switch trigger tery cartridge into the tool with the
switch trigger being pulled.
10
Status
Status of
the LED indicator/beeper
LED indicator Beeper
Lights up in
green for
__
approximately
one second.
Lights up in
A long beep
red.
Flickers in red A series of
slowly. long beeps
Lights up in
A long beep
red.
Lights up first
in green, next A series of
red. (And then very short
the light beeps
comes on.)
Flickers in red
A series of
and green
short beeps
alternatively.
Flickers in red A series of
quickly. short beeps
Flickers in red
A series of
and green
short beeps
alternatively.
Action to be taken
__
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 immedi-
ately and cool the tool
down.
Release the switch
trigger.