13 Checking the Lawn Mower and Battery
► Press locking button (1) with the right hand
and hold.
► Pull control bar for mowing (2) with the left
hand fully in the direction of handlebar (3) and
hold so the thumb encloses handlebar (3).
The blade turns.
► Release locking button (1).
► Hold handlebar (3) and control bar for mow‐
ing (2) with the right hand so the thumb enclo‐
ses handlebar (3).
12.1.2
Deactivating the Blade
► Release the control bar for mowing.
► Wait until the blade is no longer turning.
► If the blade continues to turn: pull out the acti‐
vation key, remove the battery and consult a
STIHL specialist dealer.
The lawn mower is defective.
13 Checking the Lawn Mower
and Battery
13.1
Checking the Controls
Locking button and control bar
► Pull out the activation key.
► Remove the battery.
► Press the locking button and release it again.
► 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 mower and consult a
STIHL specialist dealer.
The locking button or the control bar is defec‐
tive.
Activating the blade
► 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 blade turns.
0478-131-9946-D
► If 3 LEDs flash red: pull out the activation key,
remove the battery and consult a STIHL spe‐
cialist dealer.
There is a fault in the lawn mower.
► Release the locking button and control bar.
The blade stops turning after a short time.
► If the blade continues to turn: pull out the acti‐
vation key, remove the battery and consult a
STIHL specialist dealer.
The lawn mower is defective.
13.2
Checking the Blade
► Switch the lawn mower off, pull out the activa‐
tion key and remove the battery.
► Upend the lawn mower,
► Measure the following:
– Thickness a
– Width b
– Sharpening angle c
► If the minimum thickness or minimum width
are fallen below: replace the blade,
► If the sharpening angle is not observed:
sharpen the blade,
► If anything is unclear: consult a STIHL special‐
ist dealer.
13.3
Testing the Battery
► Press button on battery.
The LEDs glow or flash.
► If the LEDs do not glow or flash: Do not use
the battery and contact your STIHL servicing
dealer.
There is a malfunction in the battery.
English
18.1.
22.2.
22.2.
35