18 Troubleshooting
18 Troubleshooting
18.1 Troubleshooting Trimmer or 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.
Trimmer runtime is
too short.
0458-713-9621-B
Cause
Battery has low charge
Battery too hot or too cold. ► Remove the battery.
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.
There is a electrical
malfunction.
Battery not fully charged
Remedy
► Charge the battery.
► Allow battery to cool down / warm up.
► Remove the battery.
► Clean contacts in battery compartment.
► Fit the battery.
► Switch on the trimmer.
► If 3 LEDs continue to flash red: Contact your
STIHL servicing dealer.
► Remove the battery.
► Allow trimmer to cool down.
► Remove battery and insert it again.
► Switch on the trimmer.
► If 4 LEDs continue to flash red: Do not use the
battery and contact your STIHL servicing dealer.
► Remove the battery.
► Clean contacts in battery compartment.
► Fit the battery.
► Allow trimmer or battery to dry.
► Remove the battery.
► Allow trimmer to cool down.
► Remove battery and insert it again.
► Switch on the trimmer.
► Fully charge the battery.
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