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Fault
LEDs on the
battery
Cause
Remedy
► Insert battery.
► Switch on the hedge trimmer.
► If 3 LEDs continue to flash red: Do not
use your hedge trimmer and contact your
STIHL servicing dealer for assistance.
The cutting blades do
not run freely.
► Spray both sides of cutting blades with
STIHL resin solvent.
► If 3 LEDs continue to flash red: Do not
use your hedge trimmer and contact your
STIHL servicing dealer for assistance.
3 LEDs emit
red light.
Hedge trimmer is too
hot.
► Remove the battery.
► Allow the hedge trimmer to cool down.
4 LEDs
flash red.
There is a fault in the
battery.
► Remove battery and reinsert it.
► Switch on the hedge trimmer.
► If 4 LEDs continue to flash red: Do not
use the battery and contact your STIHL
dealer for assistance.
No electrical contact
between the hedge
trimmer and battery.
► Remove the battery.
► Clean electrical contacts in the battery
compartment.
► Insert battery.
Hedge trimmer or bat‐
tery damp.
► Allow hedge trimmer or battery to dry.
Hedge trimmer
cuts out during
operation.
3 LEDs emit
red light.
Hedge trimmer is too
hot.
► Remove the battery.
► Allow the hedge trimmer to cool down.
There is an electrical
fault.
► Remove battery and reinsert it.
► Switch on the hedge trimmer.
Hedge trimmer
runtime is too
short.
The battery is not fully
charged.
► Recharge the battery fully as described in
the User Manual for the STIHL AL 101,
300, 500 chargers.
The battery life has
been exceeded.
► Replace battery.
18 Specifications
18.1
STIHL HSA 66, HSA 86 Hedge
Trimmers
HSA 66
Permitted batteries:
–
STIHL AP
–
STIHL AR
–
Weight without battery: 3.1 kg
HSA 86
Permitted batteries:
–
STIHL AP
–
STIHL AR
Weight without battery:
–
HSA 86, blade length 450 mm: 3.0 kg
–
HSA 86, blade length 620 mm: 3.3 kg
If the STIHL HSA 66 or HSA 86 hedge trimmer is
operated with the STIHL AP 500 S rechargeable
battery, use "AP belt pouch with connection
cable" and AP adapter (accessories). Consult
www.stihl.com/battery-life for the respective run‐
ning time.
18.2
Cutting Blades
HSA 66
–
Tooth spacing: 30 mm
–
Cutting length: 500 mm
–
Sharpening angle: 35°
HSA 86
–
Tooth spacing: 33 mm
–
Cutting length: 450 mm or 620 mm
–
Sharpening angle: 45°
18.3
STIHL AP battery
–
Battery Technology: Lithium-ion
–
Voltage: 36 V
–
Capacity in Ah: see rating label
–
Energy content in Wh: see rating label
–
Weight in kg: see rating label
English
18 Specifications
30
0458-703-9621-C