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Troubleshooting
Perform only the steps described in these instructions. All further inspection, maintenance, and repair work
must be performed by an authorized service center or a similarly qualified specialist if you cannot solve the
problem yourself.
Problem
The tool does not start.
The tool does not reach full power.
The battery pack loses charge quickly.
The battery charger is not working.
The LED indicator light on the battery
charger is red.
The LED indicator light on the battery
charger is blinking red.
The tool does not run or run continuously.
The speed lock does not hold when
engaged.
Possible Cause
1. The battery is not fully installed in the
tool.
2. The battery pack is not charged.
3. The battery pack is damaged.
4. There is another electrical problem
with the tool.
1. The battery pack charge capacity is
too low.
2. The air vents are blocked.
1. The battery pack is over or under the
appropriate temperature range.
1. The battery charger is over or under
the appropriate temperature range.
2. The outlet that the battery charger is
plugged into does not have power.
1. The battery charger and/or battery
pack is over or under the appropriate
temperature range.
1. There is an error in the communication
between the battery pack and the
charger.
2. The battery pack is weak.
1. There is moisture on the leads of the
battery pack.
2. The battery is not fully installed in the
tool.
3. The battery pack is low on charge.
1. The speed lock screw is loose.
12
Corrective Action
1. Remove and then replace the battery
into the tool, making sure that it is fully
installed and latched.
2. Remove the battery pack from the tool
and charge it.
3. Replace the battery pack.
4. Contact an Authorized Service Dealer.
1. Remove the battery pack from the tool
and fully charge the battery pack.
2. Clean the air vents.
1. Move the battery pack to a place
where it is dry and the temperature is
between 5°C (41°F) and 40°C (104°F).
1. Unplug the battery charger and move
it to a place where it is dry and the
temperature is between 5°C (41°F)
and 40°C (104°F).
2. Contact your licensed electrician to
repair the outlet.
1. Unplug the battery charger and move
the battery charger and battery pack
to a place where it is dry and the
temperature is between 5°C (41°F)
and 40°C (104°F).
1. Remove the battery pack from the
battery charger, unplug the battery
charger from the outlet, and wait 10
seconds. Plug the battery charger into
the outlet again and place the battery
pack on the battery charger. If the LED
indicator light on the battery charger is
still blinking red, repeat this procedure
again. If the LED indicator light on
the battery charger is still blinking red
after 2 attempts, properly dispose of
the battery pack at a battery recycling
facility.
2. Properly dispose of the battery pack at
a battery recycling facility.
1. Allow the battery pack to dry or wipe it
dry.
2. Remove and then replace the battery
in the tool, ensuring that it is fully
installed and latched.
3. Charge the battery pack.
1. Tighten the speed lock screw by
turning the speed lock screw ¼ turn. If
the speed lock still does not hold when
engaged, turn the speed lock screw an
additional ¼ turn.
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