10
Accidental re-start preventive function
Even if the battery cartridge is installed on the tool with the
slide switch in the “I (ON)” position, the tool does not start.
To start the tool, first slide the slide switch toward the “O
(OFF)” position and then slide it toward the “I (ON)”
position.
Electronic torque control function
The tool electronically detects situations where the wheel
or accessory may be at risk to be bound. In the situation,
the tool is automatically shut off to prevent further rotation
of the spindle (it does not prevent kickback).
To restart the tool, switch off the tool first, remove the
cause of sudden drop in the rotation speed, and then turn
the tool on.
Indicating the remaining battery capacity
Only for battery cartridges with the indicator (Fig. 3)
Press the check button on the battery cartridge to indicate
the remaining battery capacity. The indicator lamps light
up for few seconds.
015658
NOTE:
• Depending on the conditions of use and the ambient
temperature, the indication may differ slightly from the
actual capacity.
Indicating remaining battery capacity
(Country specific)
(Fig. 4)
When you turn the tool on, the battery indicator shows the
remaining battery capacity.
The remaining battery capacity is shown as the following
table.
015096
Automatic speed change function (Fig. 5)
015098
This tool has “high speed mode” and “high torque mode”.
It automatically changes operation mode depending on
the work load. When mode indicator lights up during
operation, the tool is in high torque mode.
Tool/battery protection system
The tool is equipped with a tool/battery protection system.
This system automatically cuts off power to the motor to
extend tool and battery life.
The tool will automatically stop during operation if the tool
or battery is placed under one of the following conditions.
In some conditions, the indicator lights up.
Overload protection
When the tool is operated in a manner that causes it to
draw an abnormally high current, the tool automatically
stops without any indications. In this situation, turn the tool
off and stop the application that caused the tool to
become overloaded. Then turn the tool on to restart.
Overheat protection for tool
When the tool is overheated, the tool stops automatically
and the battery indicator shows following state. In this
situation, let the tool cool before turning the tool on again.
015140
Releasing protection lock
When the protection system works repeatedly, the tool is
locked and the battery indicator shows the following state.
Indicator lamps
Remaining
capacity
Lighted
Off
Blinking
75% to 100%
50% to 75%
25% to 50%
0% to 25%
Charge the
battery.
The battery may
have
malfunctioned.
Battery indicator status
Remaining battery
capacity
: On
: Off
: Blinking
50% - 100%
20% - 50%
0% - 20%
Charge the battery
Mode indicator status
Operation mode
High speed mode
High torque mode
Battery indicator
: On
: Off
: Blinking
Tool is overheated
