18 Troubleshooting
18 Troubleshooting
18.1 Troubleshooting Trimmer or Charging Cable
Condition
LEDs on trimmer
Trimmer does not
1 LED flashes
start when switched
green.
on.
3 LEDs glow red. Trimmer is too hot.
3 LEDs flash red. There is a electrical
Trimmer cuts out
3 LEDs glow red. Trimmer is too hot.
during operation.
Trimmer runtime is
too short.
Trimmer is not being
3 LEDs glow red. Trimmer is too hot.
charged.
0458-718-9821-B
Cause
Trimmer has low charge.
malfunction.
The trimmer is damp.
There is a electrical
malfunction.
The trimmer is not fully
charged.
Normal trimmer life has
been exceeded.
Malfunction in trimmer or
charging cable.
Remedy
► Recharge the trimmer.
► Remove the activation key.
► Allow trimmer to cool down.
► Remove the activation key.
► Do not use your trimmer and contact your STIHL
dealer for assistance.
► Allow the trimmer to dry.
► Remove the activation key.
► Allow trimmer to cool down.
► Switch off the trimmer, wait 5 seconds and then
switch on again.
► Fully charge the trimmer.
► Replace the trimmer.
► Remove the activation key.
► Allow trimmer to cool down.
► Remove the activation key.
► Contact a STIHL servicing dealer for assistance.
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