Hitachi UC 18YKSL Instruction Manual page 9

3. Charging
○ When the battery is inserted into the battery charger, charging will commence and the
pilotlamp will light in red. (See Table 2)
NOTE: If the pilot lamp does not light or blink in red, pull out the plug from the receptacle and
check if the battery is properly mounted.
○ When the battery is fully charged, the pilot lamp will blink in red slowly. (At 1-secondintervals)
(See Table 2)
Before
charging
While
charging
Charging
complete
Pilot lamp
(red)
Overheat
standby
Charging
impossible Flickers
○ Regarding the temperature of the rechargeable battery.
The temperatures for rechargeable batteries are as shown in the Table 3, and batteries that
have become hot should be cooled for a while before being recharged.
Indications of the pilot lamp
Lights for 0.5 seconds. Does not
light for 0.5 seconds. (off for 0.5
Blinks
seconds)
Lights continuously
Lights
Lights for 0.5 seconds. Does not
light for 0.5 seconds. (off for 0.5
Blinks
seconds)
Lights for 1 second. Does not light
for for 0.5 seconds. (off for 0.5
Blinks
seconds)
Lights for 0.1 seconds. Does not
light for 0.1 seconds. (off for 0.1
seconds)
Temperatures at which the battery can be recharged
32°F – 122°F (0°C – 50°C)
Table 2
Table 3
English
Battery overheated.
Unable to charge.
(Charging will
commence when
battery cools)
Malfunction in the
battery or the charger
9