0458-712-0121-B
12
English 
5 Preparing the Blower for Operation
as described in this instruction manual, components may 
no longer function properly or safety devices may be 
rendered inoperative. This can result in serious injuries.
► Clean the blower, battery and charger as described in 
this instruction manual.
■ If the blower, battery or charge are not serviced or 
repaired correctly, components may no longer function 
properly or safety devices may be rendered inoperative. 
This can result in serious or fatal injuries.
► Do not attempt to service or repair the blower, battery or 
charger.
► If the blower, battery or the charger require servicing or 
repairs: Contact your STIHL servicing dealer.
5.1 Preparing the Blower for Operation
Perform the following steps before starting work:
► Make sure the following components are in a safe 
condition:
–Blower, @ 4.6.1.
– Battery, @ 4.6.2.
– Charger, @ 4.6.3.
► Check the battery, @ 10.2.
► Fully charge the battery, @ 6.1.
► Clean the blower, @ 15.1.
► Mount the nozzle, @ 7.1.
► Check the controls, @ 10.1.
► If 3 LEDs flash red while you are checking the controls: 
Remove the battery and contact your STIHL servicing 
dealer.
Malfunction in blower.
► If you cannot carry out this work: Do not use the blower 
and contact your STIHL servicing dealer.
6.1 Charging the Battery
The charging time depends on several factors, e.g. 
temperature of the battery or the ambient temperature. The 
actual charging time may differ from the specified charging 
time. For specified charging times see www.stihl.com/
charging-times.
The charging process starts automatically 
when the plug is inserted in a wall outlet and 
the battery is fitted in the charger. The 
charger switches itself off automatically when 
the battery is fully charged.
The battery and charger heat up during the charging 
process.
► Insert the plug (6) in a convenient wall outlet (7).
The charger (3) runs a self test. The LED (4) glows green 
for about 1 second and then red for about 1 second.
► Lay the connecting cable (5).
► Insert the battery (2) in the guides in the charger (3) and 
press it home as far as stop.
The LED (4) glows green.
The LEDs (1) glow green and show the state of charge.
► If the LED (4) and the LEDs (1) stop glowing: Disconnect 
the plug (6) from the wall outlet (7).
Battery is fully charged.
5 Preparing the Blower for Operation
6 Charging the Battery, LEDs