Panasonic EY7541 User Manual
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(2) LED light
Before the use of LED
light, always pull the
power switch once.
Press the LED light
on button.
The light illuminates
with very low cur-
rent, and it does not
adversely affect the performance of the tool
during use or its battery capacity.
CAUTION:
• The built-in LED light is designed to illu-
minate the small work area temporarily.
• Do not use it as a substitute for a regular
flashlight, since it does not have enough
brightness.
• LED light turns off when the tool has not
been used for 5 minutes.
Caution : DO NOT STARE INTO BEAM.
Use of controls or adjustments or performance
of procedures other than those specified herein
may result in hazardous radiation exposure.
(3) Overheat warning lamp
Off (normal
operation)
Flashing: Overheat
Indicates operation has
been halted due to motor
or battery overheating.
The overheating protection feature halts
driver operation to protect the motor and
battery pack in the event of overheating.
The overheat warning lamp on the control
panel flashes when this feature is active.
• If the overheating protection feature acti-
vates, allow the driver to cool thoroughly
(at least 30 minutes). The driver is ready
for use when the overheat warning lamp
goes out.
• Avoid using the driver in a way that
causes the overheating protection fea-
ture to activate repeatedly.
(4) Battery low warning lamp
Off (normal
operation)
Flashing (No charge)
Battery protection
feature active
Excessive (complete) discharging of Li-
ion batteries shortens their service life
dramatically. The driver includes a battery
protection feature designed to prevent
excessive discharging of the battery pack.
• The battery protection feature activates
immediately before the battery 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]
For Appropriate Use of Bat-
tery Pack
Li-ion Battery Pack (EY9L40/
EY9L41)
• 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 battery charger
are free of foreign substances such as
dust and water etc. Clean the terminals
before charging the battery pack if any
foreign substances are found on the ter-
minals.
The life of the battery pack terminals may
be affected by foreign substances 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 con-
nection from one terminal to another.
Shorting the battery terminals together
may cause sparks, burns or a fire.
• When operating the battery pack, make
sure the work place is well ventilated.