11
Battery protection system
(Lithium-ion battery with star marking)
Fig.2
Lithium-ion batteries with a star marking are equipped
with a protection system. This system automatically cuts
off power to the tool to extend battery life.
The tool will automatically stop during operation if the
tool and/or battery are placed under one of the following
conditions:
•
Overloaded:
The tool is operated in a manner that causes
it to draw an abnormally high current.
In this situation, release the switch trigger on
the tool and stop the application that caused
the tool to become overloaded. Then pull the
switch trigger again to restart.
If the tool does not start, the battery is
overheated. In this situation, let the battery
cool before pulling the switch trigger again.
•
Low battery voltage:
The remaining battery capacity is too low
and the tool will not operate. In this situation,
remove and recharge the battery.
Indicating the remaining battery capacity
(Only for battery cartridges with "B" at the end of the
model number.)
Fig.3
Press the check button on the battery cartridge to
indicate the remaining battery capacity. The indicator
lamps light up for few seconds.
Off
Blinking
Lighted
Indicator lamps
Charge the
battery.
0
% to 25%
25% to 5
0
%
5
0
% to 75%
75% to 1
00
%
Remaining
capacity
The battery
may have
malfunctioned.
015658
NOTE:
•
Depending on the conditions of use and the
ambient temperature, the indication may differ
slightly from the actual capacity.
Power switch action
WARNING:
•
Before inserting the battery cartridge in the tool,
always check to see that the switch trigger
actuates properly and returns to the "OFF"
position when released. Do not pull the switch
trigger hard without pressing in the lock-off button.
This can cause switch breakage.
Operating a tool
with a switch that does not actuate properly can lead
to loss of control and serious personal injury.
Fig.4
To prevent the switch trigger from being accidentally
pulled, a lock-off button is provided.
To start the tool, move the lock-off button forward and
pull the switch trigger. Release the switch trigger to stop.
Summary of Contents for AT-1827H
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