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Table 1
Blinks
Before
charging
(RED)
Lights
While
(RED)
charging
Blinks
Charging
complete
(RED)
Charging
Blinks
impossible
(RED)
Lights
Charging
(GREEN)
impossible
(2) Regarding the temperatures of the rechargeable
battery.
The temperatures for rechargeable batteries are as
shown in the table below, and betteries that have
become hot should be cooled for a while before
being recharged.
Table 2 Recharging ranges of batteries
Rechargeable batteries
EB9
EB9S, EB9G, EB9B, EB9M
EB9H, EB930H
(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
UC14YF
Battery
EB9, EB9S
Approx. 45 min.
EB9G
Approx. 55 min.
EB9B, EB9M
Approx. 60 min.
EB9H
EB930H
NOTE
The charging time may vary according to tempera-
ture and power source voltage.
4. Disconnect the charger's power cord from the AC
outlet.
5. Hold the charger firmly and pull out the battery.
NOTE
After operation, pull out batteries from the charger
first, and then keep the batteries properly.
Indications of the lamps
Lights for 0.5 seconds. Does not light for 0.5
seconds. (off for 0.5 seconds)
Lights continuously
Lights for 0.5 seconds. Does not light for 0.5
seconds. (off for 0.5 seconds)
Lights for 0.1 seconds. Does not light for 0.1
seconds. (off for 0.1 seconds)
Lights continuously
Temperatures at
which the battery
can be recharged
–5˚C ~ 40˚C
–5˚C ~ 60˚C
0˚C ~ 45˚C
UC14YF2
Approx. 45 min.
Approx. 55 min.
Approx. 60 min.
–
Approx. 70 min.
–
Approx. 90 min.
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 ex-
tended 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.
How to make the batteries perform longer.
(1) Recharge the batteries before they become com-
pletely 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 has been heated right after operation
(or due to sunlight, etc.), the charger's pilot lamp
may not light in red. In such a case, first let the
battery cool, then start charging.
When the pilot lamp blinks in red quickly (at 0.2-
second intervals), check for and take out any foreign
objects in the charger's battery installation hole. If
there are no foreign objects, it is probable that the
battery or charger is malfunctioning. Take it to your
authorized Service Agent.
Since the built-in micro computer takes about 3
seconds to confirm that the battery being charged
with UC14YF/UC14YF2 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.
English
Malfunction in the
battery or the charger
The battery tempera-
ture is high, making
recharging impossible.
7
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