Hitachi UC 24YJ, Технические данные и руководство по обслуживанию

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(3) Forcefully stops charging by means of timer:
Should overcharge protection system, dT/dt overcharge protection system and battery surface temperature
sensor fail, the timer stops charging.
5-3-3. Discrimination of batteries
A discriminating resistor is provided in each Ni-MH battery to distinguish from Ni-Cd batteries as shown in Fig. 5.
5-3-4. Lamp indications
The indicator lamps show the charging time and status as follows.
Lamp indications
Lamp indications
Charging time 30 minutes
Charge time
lamp
(red/orange/
green)
Charge
status lamp
(red/
orange/
green)
Charging time 20 minutes
Overheat standby
Charging impossible
Charging time 5 minutes
Charging complete
Before charging
Status
Lit red
Lit orange
Flashing red
Flashing orange
rapidly
Lit green
Lit green
Flashing red
On 0.3 second, off 0.3 second
On continuously
On continuously
On 0.1 second, off 0.1 second
On 0.5 second, off 0.5 second
20 minutes until charging complete.
Battery or charger malfunction.
Battery overheated. Unable to charge.
(Charging will commence when battery cools.)
Power cord is connected to receptacle.
5 minutes until charging complete.
30 minutes until charging complete.
On continuously
On continuously
5-3-5. Beeper
The beeper sounds when charging is completed and also when the charger or the battery is abnormal as shown
in the following table.
Conditions when the beeper sounds
Beeping sound
A 6-second long beep
Short beeps for 5 seconds
When the charger or the battery is abnormal
When charging is completed