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(2) Overheat warning lamp
Off
(normal
operation)
Flashing: Overheat
Indicates operation
has been halted due to
battery overheating.
The overheating protection feature
halts operation to protect the battery
pack in the event of overheating. The
overheat warning lamp on the control
panel flashes when this feature is ac-
tive.
• If the overheating protection feature
activates, allow the driver to cool thor-
oughly (at least 30 minutes). The bat-
tery is ready for use when the over-
heat warning lamp goes out.
• Avoid using the driver in a way that
causes the overheating protection fea-
ture to activate repeatedly.
(3) Battery low warning lamp
Off
(normal
operation)
Flashing
(No charge)
Battery protection
feature active
Excessive (complete) discharging of
lithium ion batteries shortens their ser-
vice life dramatically. The tool includes
a battery protection feature designed
to prevent excessive discharging of
the battery pack.
• The battery protection feature ac-
tivates immediately before the bat-
tery loses its charge, causing the
battery low warning lamp to flash.
• If you notice the battery low warning
lamp flashing, charge the battery
pack immediately.
[Battery Pack][Battery Pack]
For Appropriate Use of For Appropriate Use of
Battery packBattery pack
Li-ion Battery pack (EY9L40)
• For optimum battery life, store the
Li-ion battery pack following use
without charging it.
• When charging the battery pack,
confirm that the terminals on the bat-
tery charger are free of foreign sub-
stances such as dust and water etc.
Clean the terminals before charging
the battery pack if any foreign sub-
stances are found on the terminals.
The life of the battery pack termi-
nals may be affected by foreign sub-
stances such as dust and water etc.
during operation.
• When battery pack is not in use, keep
it away from other metal objects like:
paper clips, coins, keys, nails, screws,
or other small metal objects that can
make a connection from one terminal
to another.
Shorting the battery terminals to-
gether may cause sparks, burns or
a fire.
• When operating the battery pack,
make sure the work place is well
ventilated.
•
When the battery pack is removed
from the main body of the tool, re-
place the battery pack cover imme-
diately in order to prevent dust or
dirt from contaminating the battery
terminals and causing a short circuit.
Battery Pack Life
The rechargeable batteries have a
limited life. If the operation time be-
comes extremely short after recharg-
ing, replace the battery pack with a
new one.