Otto Bock B 500 Bedienungsanleitung Seite 49

Note!
• The Otto Bock warranty does not cover damages resulting from deep discharge!
• When the B 500/B 500-S is not used over extended periods of time, it must be charged once a
week.
• Only the battery charger provided by Otto Bock may be used for charging.
Before connecting the battery charger, ensure that the battery charger is connected to the charging receptacle
on the control panel. Then connect the battery charger to a wall socket. The indications on the identification
plate of the battery charger must correspond to the voltage used in your country. Charging will start automati-
cally, whereby the current charge status is indicated by the LEDs of the battery charger.
Battery charger
The battery charger is designed for maintenance-free (gel) and low-maintenance (acid) lead batteries with
a nominal voltage of 24 V and a nominal capacity of C5= 50...80 Ah. The charger can operate along two
charging profiles to offer optimal charging of both kinds of batteries. The required profile is factory-set for every
wheelchair in accordance with the kind of battery the wheelchair is equipped with. If the battery charger is used
with another wheelchair or if new batteries are installed, the charging profile must be checked. The charging
profile can be changed by means of a switch located at the bottom of the charger (covered by a green adhesive
label). Two different kinds of flashing signals at the beginning of the charging process indicate the current
setting: 1x flashing = low-maintenance (acid); 2x flashing = maintenance-free (gel).
Note!
The control unit must be turned off during the charging process. In this way, the charging current is
fed exclusively into the battery.
Yellow LED is lit >>
Green LED is lit >>
Yellow LED flashes >>
No LED is lit
>>
A full charging cycle takes approximately 8 hours. When the charging process is complete, disconnect the
battery charger from the mains supply. Then disconnect the charger from the control panel. Turn the control
unit off an on again to make the wheelchair ready for operation. The battery charger features a programmed
recharging phase. The battery can remain in the battery charger without risking to become damaged.
Note!
During battery charging, explosive gases can develop. For this reason, provide for sufficient ventilation
when using the battery charger in closed rooms. Do not smoke when handling the batteries. Avoid fire
and sparks!
Ensure also that the vent slots are not obstructed.
The battery charger should be used only within the indicated temperature and humidity ranges (see Section 18
"Technical Data Battery Charger"). Make sure that the rubber feet of the battery charger stand on level ground.
Do not expose the battery charger to direct sunlight when in operation; this would additionally heat up the
charger. Protect the battery charger from dust and dirt as this could affect its function. To clean the charger, use
a dry cloth.
48
Battery is being charged
Battery is fully charged
Error! Defective battery or poor connection
No power supply, defective battery charger