Bosch BAT 251 Manual Original página 16

en 16 | BA� 2�1 | Important information and precautions
4.4 LEDs on the BA� 2�1
1
2
3
4
5
6
7
8
Fig. 3: LEDs
|
1 689 979 900 2012-10-18
The following tables indicate the meaning of the LEDs
on the BAT 251.
LED 1 and 2:
Information on the charging process for the internal
battery.
Pos.
1
2
LED � to �:
Information on the charge status of the internal battery.
The charge status of the internal battery is displayed for
10 seconds after start-up.
Pos.
3
4
5
LED 6 to 8:
Information on the terminal pliers connection at activa-
tion, and information on start assist mode.
Pos.
6
6
4510012-4 7
7
7
8
7
8
LED Color Meaning
yellow Internal battery is charging
green Charging complete or charge conservation
LED Color Meaning
green Internal battery charged
yellow Internal battery available for starting,
but charging required
red Internal battery unavailable for starting.
Please charge
LED Color Meaning
green BAT 251 ready
yellow BAT 251 back-up mode
yellow flashes Internal battery faulty.
red flashes Notify Service!
red Alarm indicator, polarity reversed
red Vehicle with defective battery or no
yellow battery or no contact with battery
red flashes Overload (Short-circuit battery or short-
yellow circuit terminal pliers)
Robert Bosch GmbH