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17 Maintenance
17.1
Sharpening and Balancing a
Metal Cutting Attachment
Correctly sharpening and balancing metal cutting
attachments requires a lot of practice.
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.
18 Repairing
18.1
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
attachment and contact your STIHL servicing
dealer.
18.2
Servicing and Repairing the
Battery
The battery requires no servicing and cannot be
repaired.
► If the battery has a malfunction or is damaged:
Replace the battery.
19 Troubleshooting
19.1
Troubleshooting Brushcutter or Battery
Fault
LEDs on the
battery
Cause
Remedy
The brushcutter
does not start
when switched
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.
► Remove the battery.
► Allow the battery to cool down or warm
up.
3 LEDs flash
red.
The brushcutter has a
malfunction.
► Remove the battery.
► Clean electrical contacts in the battery
compartment.
► Insert battery.
► Switch on the brushcutter.
► If 3 LEDs continue to flash red: Do not
use your brushcutter and contact your
STIHL dealer for assistance.
3 LEDs light
up red.
Trimmer is too hot.
► Remove the battery.
► Allow trimmer to cool down.
4 LEDs fla‐
shing red.
There is a fault in the
battery.
► Remove battery and reinsert it.
► Switch on the brushcutter.
► If 4 LEDs continue to flash red: Do not
use the battery and contact your STIHL
dealer for assistance.
No electrical contact
between brushcutter
and battery.
► Remove the battery.
► Clean electrical contacts in the battery
compartment.
► Insert battery.
The brushcutter or
battery is damp.
► Allow the brushcutter or battery to dry.
English
17 Maintenance
42
0458-709-9921-C
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