Overload Protection; Overheat Protection; Overdischarge Protection - Makita GBU01 Instruction Manual

Indicating the remaining battery
capacity
Press the check button on the battery cartridge to indi-
cate the remaining battery capacity. The indicator lamps
light up for a few seconds.
► 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.
Machine / battery protection system
The machine is equipped with a machine/battery
protection system. This system automatically cuts off
power to the motor to extend machine and battery life.
The machine will automatically stop during operation if
the machine or battery is placed under one of the fol-
lowing conditions:
1
2
Remaining
capacity
Blinking
75% to 100%
50% to 75%
25% to 50%
0% to 25%
Charge the
battery.
The battery
may have
malfunctioned.

Overload protection

When the machine or battery is operated in a manner
that causes it to draw an abnormally high current, the
machine automatically stops and the main power lamp
of the machine blinks in green. In this situation, turn the
machine off and stop the application that caused the
machine to become overloaded. Then turn the machine
on to restart.

Overheat protection

When the machine or battery is overheated, the
machine stops automatically. When the machine is
overheated, the main power lamp of the machine
lights up in red. When the battery is overheated, the
main power lamp of the machine blinks in red. Let
the machine and battery cool down before turning the
machine on again.

Overdischarge protection

When the battery capacity is not enough, the machine
stops automatically and the main power lamp of the
machine blinks in red. In this case, remove the battery
from the machine and charge the battery or change the
battery to fully charged one.
Main power switch
WARNING:
Always turn off the main power
switch when not in use.
To turn on the machine, press the main power switch.
The main power lamp lights up in green. To turn off,
press the main power switch again.
2
► 1. Main power switch 2. Main power lamp
NOTE: This machine employs the auto power-off
function. To avoid unintentional start up, the main
power switch will automatically shut down when the
switch trigger is not pulled for a certain period after
the main power switch is turned on.
NOTE: If you press the main power switch when the
control lever is not fully returned to the off position,
or while you are pulling the switch trigger, the main
power lamp blinks in green. In this case, fully return
the control lever, or release the switch trigger, and
then press the main power switch.
9 ENGLISH
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