Stihl HSA 50 - After Finishing Work

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 light
up red.
Hedge trimmer is too
hot.
► Remove the battery.
► Allow the hedge trimmer to cool down.
4 LEDs fla‐
shing 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; contact a STIHL authori‐
zed dealer.
- 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 is damp.
► Allow hedge trimmer or battery to dry.
Hedge trimmer
cuts out during
operation.
3 LEDs light
up red.
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's
running time is
too short.
- The battery is not fully
charged.
► Fully charge the battery.
- The battery life has
been exceeded.
► Replace battery.
Charging does
not start when
the battery is
inserted into the
charger.
1 LED emits
red light.
The battery is too
warm or too cold.
► Leave battery inserted in charger.
Charging starts automatically as soon as
the permitted temperature range is rea‐
ched.
17.2 Troubleshooting the Charger
Fault LED on Char‐
ger
Cause Remedy
Battery not being
charged.
The LED fla‐
shes red.
No electrical contact
between charger and
battery.
► Remove the battery.
► Clean contacts on charger.
► Insert battery.
There is a malfunction
in the charger.
► Do not use the charger and contact your
STIHL dealer for assistance.
18 Specifications
18.1 STIHL HSA 50.0 Hedge Trim‐
mer
–
Approved battery: STIHL AK
–
Weight without battery: 2.9 kg
For runtime, see www.stihl.com/battery-life.
18.2 Cutting blades
–
Tooth spacing: 30 mm
–
Cutting length: 500 mm
–
Sharpening angle: 35°
18.3 STIHL AK Battery
–
Battery technology: Lithium-ion
English 18 Specifications
38 0458-018-9801-A