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
Possible Cause
Corrective Action
1. The battery is not fully installed in the
tool.
1. Remove and then replace the battery
into the tool, making sure that it is fully
installed and latched.
2. The battery pack is not charged.
2. Remove the battery pack from the tool
and charge it.
3. The battery pack is damaged.
3. Replace the battery pack.
The tool does not start.
4. There is another electrical problem
with the tool.
4. Contact an Authorized Service Dealer.
1. The battery pack charge capacity is
too low.
1. Remove the battery pack from the tool
and fully charge the battery pack.
The tool does not reach full power.
2. The air vents are blocked.
2. Clean the air vents.
The battery pack loses charge quickly.
1. The battery pack is over or under the
appropriate temperature range.
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. The battery charger is over or under
the appropriate temperature range.
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).
The battery charger is not working.
2. The outlet that the battery charger is
plugged into does not have power.
2. Contact your licensed electrician to
repair the outlet.
The LED indicator light on the battery
charger is red.
1. The battery charger and/or battery
pack is over or under the appropriate
temperature range.
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. There is an error in the communication
between the battery pack and the
charger.
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.
The LED indicator light on the battery
charger is blinking red.
2. The battery pack is weak.
2. Properly dispose of the battery pack at
a battery recycling facility.
1. There is moisture on the leads of the
battery pack.
1. Allow the battery pack to dry or wipe it
dry.
2. The battery is not fully installed in the
tool.
2. Remove and then replace the battery
in the tool, ensuring that it is fully
installed and latched.
The tool does not run or run continuously.
3. The battery pack is low on charge.
3. Charge the battery pack.
The speed lock does not hold when
engaged.
1. The speed lock screw is loose.
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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