Instruction Manual

Table Of Contents
Fault LEDs on the
battery
Cause Remedy
If 3 LEDs still flash red: do not use the
lawn mower and consult a STIHL spe‐
cialist dealer.
3 LEDs illumi‐
nate red.
The lawn mower is
too warm.
Pull out the activation key.
Remove the battery.
Allow the lawn mower to cool down.
4 LEDs flash
red.
There is a fault in the
battery.
Remove the battery and fit it again.
Switch the lawn mower on.
If 4 LEDs still flash red: do not use the
battery and consult a STIHL specialist
dealer.
The electrical connec‐
tion between the lawn
mower and battery
has been interrupted.
Pull out the activation key.
Remove the battery.
Clean the electric contacts in the battery
compartment.
Insert the activation key.
Fit the battery.
The lawn mower or
battery are damp.
Pull out the activation key.
Remove the battery.
Clean the lawn mower.
Allow the lawn mower or battery to dry.
The resistance at the
blade is too great.
Set a higher cutting height.
Switch the lawn mower on in lower
grass.
The area around the
blade is blocked.
Clean the lawn mower.
Self-propulsion is
not working.
There is a fault in the
self-propulsion
mechanism.
Consult a STIHL specialist dealer.
The lawn mower
stops during ope‐
ration.
3 LEDs illumi‐
nate red.
The lawn mower is
too warm.
Pull out the activation key.
Remove the battery.
Allow the lawn mower to cool down.
Clean the lawn mower.
Do not switch the lawn mower on too fre‐
quently within a short time.
If working with self-propulsion engaged:
switch off self-propulsion.
If working with self-propulsion disenga‐
ged: go forwards slower.
Set a higher cutting height.
Mow shorter grass.
The blade is blocked. Pull out the activation key.
Remove the battery.
Clean the lawn mower.
There is an electrical
fault.
Remove the battery and fit it again.
Switch the lawn mower on.
The lawn mower
vibrates excessi‐
vely during ope‐
ration.
The blade fastening
screw is loose.
Tighten the screw.
The blade is not cor‐
rectly balanced.
Sharpen and balance the blade.
The lawn mower
operating time is
too short.
The battery is not fully
charged.
Fully charge the battery.
English 20 Troubleshooting
42 0478-131-9948-C