12 Operating the Lawn Mower
► 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.
11.2
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 is
fallen below: replace the blade,
► If the sharpening angle is not correct: sharpen
the blade,
20.2.
► If anything is unclear: consult a STIHL special‐
ist dealer.
11.3
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.
0478-131-9961-C
16.1.
20.2.
12 Operating the Lawn Mower
12.1
Holding and Guiding the Lawn
Mower
► Hold the handlebar with both hands so the
thumbs enclose the handlebar.
12.2
Setting the Cutting Height
Seven cutting heights can be set:
– 25 mm = position 1
– 30 mm = position 2
– 40 mm = position 3
– 50 mm = position 4
– 55 mm = position 5
– 65 mm = position 6
– 75 mm = position 7
The positions are indicated on the lawn mower.
Setting the cutting height
► Stop the engine.
The blade must not be turning.
► Pull lever (1) from the notch and move to the
desired position.
English
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