Hitachi uc 24yj Technical Data And Service Manual page 12

Table of Contents

Advertisement

(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.
Charging time 30 minutes
Charge time
Charging time 20 minutes
lamp
(red/orange/
Charging time 5 minutes
green)
Overheat standby
Charge
Before charging
status lamp
(red/
Charging complete
orange/
green)
Charging impossible
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
When charging is completed
When the charger or the battery is abnormal
Lamp indications
Lamp indications
Lit red
Lit orange
Lit green
Flashing red
Flashing red
Lit green
Flashing orange
rapidly
On continuously
On continuously
On continuously
On 0.3 second, off 0.3 second
On 0.5 second, off 0.5 second
On continuously
On 0.1 second, off 0.1 second
Beeping sound
A 6-second long beep
Short beeps for 5 seconds
--- 10 ---
Status
30 minutes until charging complete.
20 minutes until charging complete.
5 minutes until charging complete.
Battery overheated. Unable to charge.
(Charging will commence when battery cools.)
Power cord is connected to receptacle.
Battery or charger malfunction.

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents