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18 Troubleshooting
18.1 Troubleshooting Trimmer and Battery
Condition
LEDs on Battery
Trimmer does not
1 LED flashes
start when switched
green.
on.
1 LED glows red.
3 LEDs flash red.
3 LEDs glow red.
4 LEDs flash red
Trimmer cuts out
3 LEDs glow red.
during operation.
60
Cause
Battery has low charge.
Battery too hot or too cold. ► Pull the connecting cable plug out of the socket.
There is a malfunction in
the trimmer.
Trimmer is too hot.
There is a malfunction in
the battery.
No electrical contact
between trimmer and
battery.
Trimmer or battery damp.
Trimmer is too hot.
Remedy
► Recharge the battery fully as described in the
instruction manual for the STIHL AL 101, 300, 500
chargers.
► Allow battery to cool down / warm up.
► Pull connecting cable plug out of the socket and
then refit it.
► Switch on the trimmer.
► If 3 LEDs continue to flash red: Do not use your
trimmer and contact your STIHL dealer for
assistance.
► Pull the connecting cable plug out of the socket.
► Allow trimmer to cool down.
► Pull connecting cable plug out of the socket and
then refit it.
► Switch on the trimmer.
► If 4 LEDs continue to flash red: Do not use the
battery and contact your STIHL dealer for
assistance.
► Pull connecting cable plug out of the socket and
then refit it.
► If trimmer still does not start when switched on:
Clean contacts of connecting cable as described
in the STIHL AR battery's instruction manual or in
the user instructions for the "AP belt bag with
connecting cable".
► Allow trimmer or battery to dry.
► Pull the connecting cable plug out of the socket.
► Allow trimmer to cool down.
18 Troubleshooting
0458-726-9821-C