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23 Troubleshooting Guide
23.1 Hedge Trimmer and Battery
23 Troubleshooting Guide
Always remove the battery before carrying out any inspection, cleaning or maintenance.
Condition
LEDs on
Battery
Cause
Remedy
Hedge trimmer does
not start when
switched on.
No electrical contact
between hedge
trimmer and battery.
► Remove the battery,
► Visually check the electrical contacts in the battery
compartment and on the battery.
► Reinsert the battery,
1 LED flashes
green.
STIHL AR
Series: four
long beeps are
emitted (AR L -
six beeps).
Battery has low
charge.
► Charge the battery,
1 LED glows
red.
Battery too hot / too
cold.
► Allow the battery to warm up or cool down gradually at
ambient temperatures of about 50 °F to 68 °F (10 °C to
20 °C).
4 LEDs flash
red.
STIHL
AR Series:
Additionally, a
rapid
succession of
short beeps is
emitted.
Malfunction in
battery.
► Remove the battery and reinsert it,
► 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.
3 LEDs glow
red.
Hedge trimmer too
hot.
► Allow the hedge trimmer to cool down.
3 LEDs flash
red.
Malfunction in hedge
trimmer.
► Remove the battery and reinsert it,
► Switch on the hedge trimmer,
► If the LEDs still flash, do not attempt to use.
The hedge trimmer has a malfunction and must be checked
by a servicing dealer.