Stihl 4522 Instruction Manual page 38

English
Fault LEDs on the
battery
3 LEDs flash
red.
3 LEDs light
up red.
4 LEDs
flash red.
The brushcutter 3 LEDs light
cuts out during up red.
operation.
The runtime of
the brushcutter is
too short.
Mowing head
cannot be
unscrewed by
hand.
Charging does 1 LED emits
not start when red light.
the battery is
inserted into the
charger.
19.2 Troubleshooting the Charger
Fault LED on Char‐
ger
Battery not being The LED fla‐
charged. shes red.
38
Cause
The brushcutter has a
malfunction.
Trimmer is too hot.
There is a fault in the
battery.
No electrical contact
between brushcutter
and battery.
The brushcutter or
battery is damp.
Trimmer is too hot.
There is an electrical
fault.
The battery is not fully
charged.
The battery service
life has been excee‐
ded.
Mowing head over‐
tightened.
The battery is too
warm or too cold.
Cause
No electrical contact
between charger and
battery.
There is a malfunction
in the charger.
Remedy
► Allow the battery to cool down or warm
up.
► Remove the battery.
► Clean electrical contacts in the battery
compartment.
► Insert battery.
► Switch on the brushcutter.
► If 3 LEDs continue to flash red: Do not
use your brushcutter and contact your
STIHL dealer for assistance.
► Remove the battery.
► Allow trimmer to cool down.
► Remove battery and reinsert it.
► Switch on the brushcutter.
► If 4 LEDs continue to flash red: Do not
use the battery; contact a STIHL authori‐
zed dealer.
► Remove the battery.
► Clean electrical contacts in the battery
compartment.
► Insert battery.
► Allow the brushcutter or battery to dry,
20.6.
► Remove the battery.
► Allow trimmer to cool down.
► Remove battery and reinsert it.
► Switch on the brushcutter.
► Fully charge the battery.
► Replace battery.
► Block the fanwheel with the stop pin.
► Unscrew mowing head by hand.
► Remove the stop pin.
► Leave battery inserted in charger.
Charging starts automatically as soon as
the permitted temperature range is rea‐
ched.
Remedy
► Remove the battery.
► Clean contacts on charger.
► Insert battery.
► Do not use the charger and contact your
STIHL dealer for assistance.
19 Troubleshooting
0458-806-9821-B