English
► If the trigger can be pulled: Do not use your trimmer and
contact your STIHL dealer for assistance.
Retaining latch or trigger lockout is faulty.
► Push the retaining latch into position
► Depress the trigger lockout lever and hold it in that
position.
► Pull the trigger.
► Release the trigger and trigger lockout lever.
► If the trigger or trigger lockout is stiff or does not spring
back to the idle position: Do not use your trimmer and
contact your STIHL dealer for assistance.
Trigger or trigger lockout is faulty.
Switching On
► Fit the battery.
► Depress the trigger lockout lever and hold it in that
position.
► Pull the trigger and hold it there.
The cutting attachment rotates.
► If 3 LEDs on the battery flash red: Remove the battery and
contact your STIHL dealer for assistance.
There is a malfunction in the trimmer.
► Release the trigger and trigger lockout lever.
The cutting attachment comes to a standstill.
► If the cutting attachment continues to rotate: Remove the
battery and contact your STIHL dealer for assistance.
The trimmer has a malfunction.
11.2 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.
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12 Operating the Trimmer
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12.1 Holding and Controlling the Trimmer
FSA 90
► Connect the carrying ring (2) to the carabiner (1).
► Hold the trimmer with your right hand on the control
handle – wrap your thumb around the control handle.
► Hold the trimmer with your the left hand on the left grip –
wrap your thumb around the left grip.
12 Operating the Trimmer
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