Hitachi DS 14DMR Handing Instructions page 37

CHARGING
Before using the driver drill, charge the battery as follows.
1. Connect the charger's power cord to a receptacle.
When the power cord is connected, the charger's
pilot lamp will blink in red. (At 1-second intervals)
2. Insert the battery into the charger.
Firmly insert the battery into the charger till it contacts
the bottom of the charger and checking the polarities
as shown in Fig. 3.
CAUTION:
If the batteries are inserted in the reverse direction,
not only recharging will become impossible, but it
may also cause problems in the charger such as a
deformed recharging terminal.
Before Blinks
charging (RED)
While Lights
charging (RED)
Blinks
Charging
(RED)
complete
Charging
Flickers
impossible
(RED)
Overheat Lights
standby (GREEN)
NOTE: When standby for cooling battery, UC18YRL cools the overheated battery by cooling fan.
(2) Regarding the temperatures of the rechargeable
battery
The temperatures for rechargeable batteries are as
shown in the table below, and batteries that have
become hot should be cooled for a while before
being recharged.
Table 2 Temperatures at which the battery can be
recharged
Charger
Rechargeable batteries
EB14B, EB1424,
EB1820L, EB1824L
EB1426H, EB1430H,
EB1433X, EB1826HL,
EB1830HL, EB1833X
(3) Regarding recharging time
Depending on the combination of the charger and
batteries, the charging time will become as shown in
Table 3.
Indications of the pilot lamp
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
UC14YFA UC18YRL
UC24YFA UC18YFL
–5°C – 60°C –5°C – 55°C
0°C – 45°C –5°C – 50°
3. Charging
When inserting a battery in the charger, charging will
commence and the pilot lamp will light continuously
in red.
When the battery becomes fully recharged, the pilot
lamp will blink in red. (At 1-second intervals) (See
Table 1)
(1) Pilot lamp indication
The indications of the pilot lamp will be as shown in
Table 1, according to the condition of the charger or
the rechargeable battery.
Table 1
Table 3 Charging time (At 20°C)
Charger
UC14YFA
Battery
EB14B Approx. 50 min.
EB1820L
EB1424 Approx. 60 min.
EB1824L
EB1426H Approx. 60 min.
EB1826HL
EB1430H Approx. 70 min.
EB1830HL
EB1433X Approx. 75 min.
EB1833X
NOTE:
The charging time may vary according to temperature
and power source voltage.
English
Malfunction in the
battery or the charger
Battery overheated.
Unable to charge
(Charging will commence
when battery cools).
UC18YRL
UC24YFA
UC18YFL
Approx. 50 min. Approx. 30 min.
Approx. 35 min.
Approx. 60 min.
Approx. 40 min.
Approx. 70 min. Approx. 45 min.
Approx. 75 min. Approx. 50 min.
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