19 Troubleshooting
Fault
LEDs on the
battery
The lawn scari‐
3 LEDs illumi‐
fier stops during
nate red.
operation.
The lawn scari‐
fier vibrates
excessively
during operation.
The lawn scari‐
fier operating
time is too short.
The battery gets
stuck when fitting
it into the battery
compartment.
Charging fails to
1 LED illumina‐
start after fitting
tes red.
the battery into
the charger.
0478-670-9911-A
Cause
The electrical connec‐
tion between the lawn
scarifier and battery
has been interrupted.
The lawn scarifier or
battery are damp.
The resistance at the
roller is too great.
The area around the
roller is blocked.
The lawn scarifier is
too warm.
The roller is blocked.
There is an electrical
fault.
The bolts at the roller
holder are loose.
The roller is not cor‐
rectly balanced.
The battery is not fully
charged.
The battery service
life has been excee‐
ded.
The area around the
roller is blocked.
The roller is blunt or
worn.
The resistance at the
roller is too great.
The guides or electri‐
cal contacts in the
battery compartment
are dirty.
The battery is too
warm or too cold.
Remedy
► Remove the battery.
► Clean the electrical contacts in the bat‐
tery compartment.
► Fit the battery.
► Remove the battery.
► clean the lawn scarifier.
► Allow the lawn scarifier or battery to dry,
20.5.
► Reduce the working depth.
► Check the grass height and mow if
necessary.
► clean the lawn scarifier.
► Remove the battery.
► Allow the lawn scarifier to cool down.
► clean the lawn scarifier.
► Do not switch the lawn scarifier on too
frequently within a short time.
► Reduce the working depth.
► Scarify or comb lower grass.
► Remove the battery.
► clean the lawn scarifier.
► Remove the battery and fit it again.
► Switching the lawn scarifier on.
► Tighten the bolts.
► consult a STIHL specialist dealer.
► Fully charge the battery.
► Replace the battery.
► clean the lawn scarifier.
► Check the rollers.
► Reduce the working depth.
► Scarify or comb lower grass.
► clean the lawn scarifier.
► Leave the battery inserted in the char‐
ger.
Charging starts automatically as soon as
the permissible temperature range is
reached.
English
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