English
Fault
LEDs on the
battery
3 LEDs emit
red light.
4 LEDs
flash red.
Hedge trimmer
3 LEDs emit
cuts out during
red light.
operation.
Hedge trimmer
runtime is too
short.
18 Specifications
18.1
STIHL HSA 66, HSA 86 Hedge
Trimmers
HSA 66
Approved batteries:
• STIHL AP
• STIHL AR
– Weight without battery: 3.1 kg
HSA 86
Approved 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
For battery life see www.stihl.com/battery-life.
30
Cause
The cutting blades do
not run freely.
Hedge trimmer is too
hot.
There is a fault in the
battery.
No electrical contact
between the hedge
trimmer and battery.
Hedge trimmer or bat‐
tery damp.
Hedge trimmer is too
hot.
There is an electrical
fault.
The battery is not fully
charged.
The battery life has
been exceeded.
18.2
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
– 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
– Permissible temperature range for operation
and storage: -10°C to +50°C
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.
► 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.
► Remove the battery.
► Allow the hedge trimmer to cool down.
► 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.
► Remove the battery.
► Clean electrical contacts in the battery
compartment.
► Insert battery.
► Allow hedge trimmer or battery to dry.
► Remove the battery.
► Allow the hedge trimmer to cool down.
► Remove battery and reinsert it.
► Switch on the hedge trimmer.
► Recharge the battery fully as described in
the User Manual for the STIHL AL 101,
300, 500 chargers.
► Replace battery.
Cutting Blades
STIHL AP battery
18 Specifications
0458-703-9821-E