17 Repairing
17.1 Repairing the Chainsaw and
Battery
The chainsaw, guide bar, saw chain and battery
cannot be repaired by the user.
► If the saw, guide bar or saw chain is damaged:
Do not use your saw, guide bar or saw chain,
and contact your STIHL servicing dealer for
assistance.
► If the battery has a malfunction or is damaged:
Replace the battery.
18 Troubleshooting
18.1 Troubleshooting Chainsaw or Battery
Fault LEDs on the
battery
Cause Remedy
Saw does not
start when swit‐
ched on.
1 LED flashing
green.
State of charge of the
battery is too low.
► Recharge the battery fully as described in
the User Manual for the STIHL AL 101,
300, 500 chargers.
1 LED emits
red light.
The battery is too
warm or too cold.
► Engage chain brake and remove battery.
► Allow the battery to cool down or warm
up.
3 LEDs flash
red.
Malfunction in saw. ► Engage chain brake and remove battery.
► Clean electrical contacts in the battery
compartment.
► Insert battery.
► Disengage the chain brake.
► Switch on the saw.
► If 3 LEDs continue to flash red: Do not
use your chainsaw and contact your
STIHL servicing dealer for assistance.
3 LEDs emit
red light.
Chainsaw is too hot. ► Engage chain brake and remove battery.
► Allow the chainsaw to cool down.
4 LEDs
flash red.
There is a fault in the
battery.
► Engage the chain brake, remove and refit
the battery.
► Disengage the chain brake.
► Switch on the saw.
► If 4 LEDs continue to flash red: Do not
use the battery and contact your STIHL
dealer for assistance.
No electrical contact
between the chainsaw
and battery.
► Engage chain brake and remove battery.
► Clean electrical contacts in the battery
compartment.
► Insert battery.
Saw or battery damp. ► Allow saw or battery to dry.
Saw cuts out
during operation.
3 LEDs emit
red light.
Chainsaw is too hot. ► Engage chain brake and remove battery.
► Allow the chainsaw to cool down.
There is an electrical
fault.
► Engage the chain brake, remove and refit
the battery.
► Switch on the saw.
Chainsaw run‐
time 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.
Smell of smoke
or burning in the
cutting area.
The saw chain has
not been correctly
sharpened.
► Sharpen chain as specified.
17 Repairing English
0458-007-9621-A 47
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