12 Checking the Lawn Scarifier and Battery
► Press locking button (1) with the right hand and hold.
► Pull control bar (2) with the left hand fully in the direction
of the handlebar and hold so that the thumb encloses the
handlebar.
The roller turns.
► Release locking button (1).
► Hold the handlebar and control bar (2) with the right hand
so that the thumb encloses the handlebar.
11.2 Switching the Lawn Scarifier Off
► Release the control bar.
► Wait until the roller is no longer turning.
► If the roller continues to turn:pull out the activation key,
remove the battery and consult a STIHL specialist dealer.
The lawn scarifier is defective.
12 Checking the Lawn Scarifier and
Battery
12.1 Checking the Controls
Locking button and control bar
► Pull out the activation key.
► Remove the battery.
► Press the locking button and release it again.
0478-670-9809-A
► Pull the control bar fully in the direction of the handlebar
and release it again.
► If the locking button or the control bar is stiff or does not
spring back into the initial position:do not use the lawn
scarifier and consult a STIHL specialist dealer.
The locking button or the control bar is defective.
Switching the lawn scarifier on
► Insert the activation key.
► Fit the battery.
► Press the locking button with the right hand and hold.
► Pull the control bar with the left hand fully in the direction
of the handlebar and hold so that the thumb encloses the
handlebar.
The roller turns.
► If 3 LEDs flash red:pull out the activation key, remove the
battery and consult a STIHL specialist dealer.
There is a fault in the lawn scarifier.
► If the roller is not turning:switch the lawn scarifier off, pull
out the activation key, remove the battery and consult a
STIHL specialist dealer.
The lawn scarifier is defective.
► Release the locking button and control bar.
The roller stops turning after a short time.
► If the roller continues to turn:pull out the activation key,
remove the battery and consult a STIHL specialist dealer.
The lawn scarifier is defective.
12.2 Checking the Rollers
► Switch the lawn scarifier off, pull out the activation key and
remove the battery.
► Place the lawn scarifier on a level surface.
► Upend the scarifier, @ 17.1.
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