English
► Sharpen each cutting edge of the upper cut‐
ting blade with a sharpening file. Always file
toward the cutting edge with a forward motion
matching the sharpening angle,
Sharpen on the forward stroke. Lift off the
blade on the backstroke.
► Only sharpen the cutting edges. Do not file
blunt projecting parts of the cutting attach‐
ment, or the cutting blade guard. Make sure
your sharpening stroke matches the sharpen‐
ing angle,
23.2.
22 Troubleshooting Guide
22.1
Hedge Trimmer and Battery
Always remove the battery before carrying out any inspection, cleaning or maintenance.
Condition
LEDs on
Battery
Hedge trimmer
does not start
when switched
on.
1 LED
flashes
green.
STIHL AR
Series: four
long beeps
are emitted
(AR L - six
beeps).
1 LED glows
red.
4 LEDs flash
red.
STIHL
AR Series:
Additionally,
a rapid suc‐
cession of
short beeps
is emitted.
3 LEDs glow
red.
3 LEDs flash
red.
24
► Turn the hedge trimmer over and sharpen the
► Use a whetstone to remove any burrs from the
► After sharpening, wipe away filing or grinding
NOTICE
■ Operating the machine with dull or damaged
23.2.
Cause
Remedy
No electrical
► Remove the battery,
contact between
► Visually check the electrical contacts in the bat‐
hedge trimmer
tery compartment and on the battery.
and battery.
► Reinsert the battery,
Battery has low
► Charge the battery,
charge.
Battery too hot /
► Allow the battery to warm up or cool down grad‐
too cold.
ually at ambient temperatures of about 50 °F to
68 °F (10 °C to 20 °C).
Malfunction in
► Remove the battery and reinsert it,
battery.
► Switch on the hedge trimmer,
► If the LEDs continue to flash, do not attempt to
use.
The battery has a malfunction and must be
replaced.
Hedge trimmer
► Allow the hedge trimmer to cool down.
too hot.
Malfunction in
► Remove the battery and reinsert it,
hedge trimmer.
► Switch on the hedge trimmer,
22 Troubleshooting Guide
cutting edges of the lower cutting blade.
cutting edges. Remove as little material as
possible.
dust with a dry or slightly dampened cloth and
then spray the cutting blades with a resin sol‐
vent, such as STIHL Resin Remover and
Lubricant.
cutting blades may overload the motor. Keep‐
ing the cutting blades sharp helps maintain
cutting performance and the expected life of
the product.
13.2.
13.1.
10.
13.
14.1.
13
14.1.
0458-020-8601-A