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19 Repairing
STIHL recommends you have metal cutting
attachments resharpened and balanced by a
STIHL servicing dealer.
► Sharpen the metal cutting attachment as
described in the instructions and on the pack‐
aging supplied with the cutting attachment you
are using.
19 Repairing
19.1
Repairing the Trimmer and
Cutting Attachment
The trimmer and cutting attachment cannot be
repaired by the user.
► If the trimmer or cutting attachment is dam‐
aged: Do not use your trimmer or cutting
20 Troubleshooting
20.1
Troubleshooting the brushcutter or battery
Fault
LEDs on the
battery
The brushcutter
1 LED flashes
does not start
green.
when switched
on.
1 LED lights
up steady red.
3 LEDs
flash red.
3 LEDs light
up steady red.
4 LEDs flash
red.
The brushcutter
3 LEDs light
cuts out during
up steady red.
operation.
0458-602-9602-A
attachment and contact your STIHL servicing
dealer.
19.2
The battery requires no servicing and cannot be
repaired.
► If the battery has a malfunction or is damaged:
Replace the battery.
Cause
The state of charge of
the battery is too low.
The battery is too
warm or too cold.
The brushcutter has a
malfunction.
The brushcutter is too
hot.
There is a fault in the
battery.
No electrical contact
between brushcutter
and battery.
The brushcutter or
battery is damp.
Trigger is pressed
before operating the
unlock button.
The brushcutter is too
hot.
Servicing and Repairing the
Battery
Remedy
► Recharge the battery fully as described in
the user manual for the STIHL AL 101,
301, 301-4, 500 chargers.
► Remove the battery.
► Allow the battery to cool down or warm
up.
► Remove the battery.
► Clean the electrical contacts in the bat‐
tery compartment.
► Insert the battery.
► Switch on the brushcutter.
► If 3 LEDs continue to flash red: Do not
use the brushcutter and contact a STIHL
authorized dealer for assistance.
► Remove the battery.
► Allow the brushcutter to cool down.
► Remove the battery and reinsert it.
► Switch on the brushcutter.
► If 4 LEDs continue to flash red: Do not
use the battery; contact a STIHL authori‐
zed dealer.
► Remove the battery.
► Clean the electrical contacts in the bat‐
tery compartment.
► Insert the battery.
► Allow the brushcutter or battery to dry,
21.4.
► Switch on the brushcutter as described in
this User Manual.
► Remove the battery.
► Allow the brushcutter to cool down.
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