Hitachi Koki UC 14YFA Safety & Instruction Manual page 9

3. Charging
When the battery is connected to the battery charger, charging will commence and the
pilot lamp will light in red. (See Table 2)
NOTE: If the pilot lamp flickers 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 bilink in red slowly. (At 1-second
intervals) (See Table 2)
Blinks
Before
(RED)
charging
Lights
While
(RED)
charging
Charging
Blinks
complete
(RED)
Charging
Flickers
impossible
(RED)
Charging
Lights
impossible
(GREEN)
Regarding the temperature 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.
Rechargeable batteries
EB712S, EB7S, EB912S, EB9S,
EB914, EB9B, EB1212S, EB12S,
EB1214L, EB12B, EB1220BL,
EB1412S, EB1414, EB14B
Table 2
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
Table 3
Temperature at which the battery can be recharged
23°F — 131°F (–5°C — 55°C)
Malfunction in the battery or the
charger
The battery temperature is high,
making recharging impossible.
English
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