AR 900
English
33
During Charging Process
The LEDs glow continuously or flash to
indicate the progress of charge.
A green flashing LED indicates the
capacity that is currently being charged.
The LEDs on the battery go off
automatically when the charge process
is completed.
If the LEDs on the battery flash or glow
red – see "If the red LEDs glow
continuously / flash".
During Operation
The green LEDs glow continuously or
flash to indicate the state of charge.
If the battery is almost completely
discharged and the last LED begins to
flash, four long signals sound – see
"Acoustic Signal".
If the LEDs on the battery flash or glow
red – see "If the red LEDs glow
continuously / flash".
If the red LEDs glow continuously / flash
4865BA015 KN
0 %
100 %
100 %
4865BA028 KN
0 %
A
1 LED glows
continuously
red:
Battery is too
hot
1) 2)
/cold
1)
1)
When charging: Charge process
starts automatically after the battery
has cooled down / warmed up.
2)
During operation: Power tool
switches itself off – allow battery to
cool down for a while.
B
4 LEDs flash
red
Malfunction in
battery
3)
C
3 LEDs glow
continuously
red:
Power tool is too
hot – allow it to
cool down.
D
3 LEDs flash
red
Malfunction in
power tool
4)
4865BA025 KN
A
B
C
D