English
Light Emitting Diodes (LED)
on Battery
The light emitting diodes show the
battery's state of charge and any
problems with the battery or the power
tool being used.
AR 900 Lithium-Ion
Press button (1) to activate the light
N
emitting diodes – the display goes
off automatically after 5 seconds.
The acoustic signal must sound
–
briefly when the button is released
(to confirm function) – see also
"Acoustic Signal".
The light emitting diodes can glow or
flash green or red.
Light emitting diode glows con-
tinuously green.
Light emitting diode flashes
green.
Light emitting diode glows con-
tinuously red.
Light emitting diode flashes red.
10
All manuals and user guides at all-guides.com
During Charging Process
The light emitting diodes glow
continuously or flash to indicate the
progress of charge.
A green flashing light emitting diode
indicates the capacity that is currently
being charged.
1
The light emitting diodes on the battery
go off automatically when the charge
process is completed.
If the light emitting diodes on the battery
flash or glow red – see "If the red light
emitting diodes glow continuously /
flash".
During Operation
The green light emitting diodes glow
continuously or flash to indicate the state
of charge.
0 %
If the battery is almost completely
100 %
discharged and the last LED begins to
flash, four long signals sound – see
"Acoustic Signal".
If the light emitting diodes on the battery
flash or glow red – see "If the red light
emitting diodes glow continuously /
flash".
100 %
0 %
AR 900