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 tool is producing excessive vibration
or noise.
1. The blades are dull or damaged.
1. Contact an Authorized Service Dealer.
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 0°C (32°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 0°C (32°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 battery pack shows only 3 LED
indicators after only a few seconds of
using a fully charged battery.
1. This is a normal occurrence.
1. Stop the tool and press the
battery-charge-indicator button or
the remove the battery from the tool to
display the actual battery charge.
All 4 LED indicators are blinking on
the battery pack after you press the
battery-charge-indicator button on the
battery pack and the current charge
displays (when the battery pack is not in
use).
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 0°C (32°F) and 40°C (104°F).
All 4 LED indicators are blinking on the
battery pack after releasing the trigger
(when the battery pack is in use).
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 0°C (32°F) and 40°C (104°F).
2 LED indicators are blinking on
the battery pack after you press the
battery-charge-indicator button on the
battery pack and the current charge
displays (when the battery pack is not in
use).
1. There is a difference in voltage
between cells in the battery pack.
1. Place the battery on the charger until
it is fully charged.
2 LED indicators are blinking on the
battery pack after releasing the trigger
(when the battery pack is in use).
1. There is a difference in voltage
between cells in the battery pack.
1. Place the battery on the charger until
it is fully charged.
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Summary of Contents for PowerPlex 51491
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