Hitachi UC 24YC Technical Data And Service Manual page 8

Charger
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4-1-6. Easy-to-read visual display of charging status through constant lighting or flashing of red and green pilot
lamps
Prior to charging
Red pilot lamp
During charging
remains lit or
flashes
Charging
completed
Charging not
possible
Green pilot
High battery
lamp is lit
temperature
Battery Type
EB 7, EB 9, EB 12
EB 7S, EB 7G
EB 9S, EB 9G, EB 9B, EB 9M, EB 924
EB 12S, EB 12G, EB 12B, EB 12M, EB 1224
EB 14S, EB 14B, EB 1424, EB 18B, EB 24B
EB 9H, EB 930H
EB 12H, EB 1230H
EB 14H, EB 1430H, EB 2430H
Pilot lamp indications
0.5 sec. ON
Blinks
Lights
0.5 sec. ON
Blinks
0.1 sec. ON
Flickers
Lights
Charging of heated (high temperature) batteries
Battery temperature
range during charging
---5 ˚C --- 40 ˚C
---5 ˚C --- 60 ˚C
0 ˚C --- 45 ˚C
0.5 sec. OFF
Stays ON constantly
0.5 sec. OFF
0.1 sec. OFF
Stays ON constantly
Heated (high temperature) battery
Green pilot lamp lights. When battery
temperature is reduced to 40 ˚C,
green pilot lamp goes OFF and
charging begins.
Green pilot lamp lights. When battery
temperature is reduced to 60 ˚C,
green pilot lamp goes OFF and
charging begins.
Green pilot lamp lights. When battery
temperature is reduced to 45 ˚C,
green pilot lamp goes OFF and
charging begins.
--- 6 ---
Battery or charger
is faulty.
Charging not possible
because battery
temperature is too high.

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