Operation Manual

FSA 90, FSA 90 R
English
56
During Operation
The green LEDs glow continuously or
flash to indicate the state of charge.
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
3901BA016 KN
80 - 100 %
60 - 80 %
40 - 60 %
20 - 40 %
0 - 20 %
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 cuts
out – allow battery to cool down; it
may be necessary to take the
battery out of the power tool for this
purpose.
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)
3901BA041 KN
A
B
C
D
3)
Electromagnetic interference or
fault. Take the battery out of the
power tool and refit it. Switch on the
machine – if the LEDs continue to
flash, the battery has a malfunction
and must be replaced.
4)
Electromagnetic interference or
fault. Take the battery out of the
machine. Use a blunt tool to
remove dirt from the contacts in the
battery compartment. Refit the
battery. Switch on the power tool –
if the LEDs still flash, the power tool
has a malfunction and must be
checked by a servicing dealer –
STIHL recommends an authorized
STIHL servicing dealer.