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Table 1
Before
charging
While
charging
Charging
Pilot lamp
complete
(red)
Overheat
standby
Charging
impossible
(2) Regarding the temperature of the rechargeable battery
The temperatures for rechargeable batteries are as
shown in the Table 2, and batteries that have become
hot should be cooled for a while before being
recharged.
Table 2 Recharging ranges of batteries
Rechargeable batteries
BCL1015, BCL1030M
(3) Regarding recharging time
Depending on the combination of the charger and
batteries, the charging time will become as shown in
Table 3.
Table 3 Charging time (At 20°C)
Charger
Battery
BCL1015
BCL1030M
NOTE
The charging time may vary according to temperature
and power source voltage.
4. Disconnect the charger's power cord from the
receptacle.
5. Hold the charger firmly and pull out the battery.
NOTE
Be sure to pull out the battery from the charger after
use, and then keep it.
Regarding electric discharge in case of new
batteries, etc.
As the internal chemical substance of new batteries
and batteries that have not been used for an extended
period is not activated, the electric discharge might
be low when using them the first and second time.
This is a temporary phenomenon, and normal time
required for recharging will be restored by recharging
the batteries 2 – 3 times.
9
Indications of the pilot lamp
Lights for 0.5 seconds. Does not light for
0.5 seconds. (off for 0.5 seconds)
Blinks
Lights continuously
Lights
Lights for 0.5 seconds. Does not light for
Blinks
0.5 seconds. (off for 0.5 seconds)
Lights for 1 second. Does not light for
0.5 seconds. (off for 0.5 seconds)
Blinks
Lights for 0.1 seconds. Does not light for 0.1
seconds. (off for 0.1 seconds)
Flickers
Temperatures at which the
battery can be recharged
0°C – 50°C
UC10SL2
UC10SFL
Approx. 30 min. Approx. 40 min.
Approx. 60 min. Approx. 80 min.
How to make the batteries perform longer
(1) Recharge the batteries before they become completely
exhausted.
When you feel that the power of the tool becomes
weaker, stop using the tool and recharge its battery.
If you continue to use the tool and exhaust the electric
current, the battery may be damaged and its life will
become shorter.
(2) Avoid recharging at high temperatures.
A rechargeable battery will be hot immediately after
use. If such a battery is recharged immediately after
use, its internal chemical substance will deteriorate,
and the battery life will be shortened. Leave the battery
and recharge it after it has cooled for a while.
CAUTION
If the battery is charged while it is heated because it
has been left for a long time in a location subject to
direct sunlight or because the battery has just been
used, the pilot lamp of the charger lights for 1 second,
does not light for 0.5 seconds (off for 0.5 seconds). In
such a case, first let the battery cool, then start
charging.
When the pilot lamp flickers (at 0.2-second intervals),
check for and take out any foreign objects in the
charger's battery connector. If there are no foreign
objects, it is probable that the battery or charger is
malfunctioning. Take it to your authorized Service
Center.
Since the built-in micro computer takes about 3
seconds to confirm that the battery being charged
with UC10SL2 / UC10SFL is taken out, wait for a
minimum of 3 seconds before reinserting it to
continue charging. If the battery is reinserted within
3 seconds, the battery may not be properly charged.
PRIOR TO OPERATION
1. Preparing and checking the work environment
Make sure that the work site meets all the conditions
laid forth in the precautions.
2. Checking the battery
Make sure that the battery is installed firmly. If it is at
all loose it could come off and cause an accident.
Battery overheated.
Unable to charge.
(Charging will commence
when battery cools)
Malfunction in the
battery or the charger
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