19 Troubleshooting
19 Troubleshooting
19.1
Remedying Lawn Mower or Battery Faults
Fault
LEDs on the
battery
The lawn mower
1 LED flashes
does not start
green.
when switched
on.
1 LED illumina‐
tes red.
3 LEDs flash
red.
3 LEDs illumi‐
nate red.
4 LEDs flash
red.
The lawn mower
3 LEDs illumi‐
stops during ope‐
nate red.
ration.
0478-131-9862-B
Cause
The battery charge
state is too low.
The battery is too
warm or too cold.
There is a fault in the
lawn mower.
The lawn mower is
too warm.
There is a fault in the
battery.
The electrical connec‐
tion between the lawn
mower and battery
has been interrupted.
The lawn mower or
battery are damp.
The resistance at the
blade is too great.
The area around the
blade is blocked.
The lawn mower is
too warm.
The blade is blocked. ► Pull out the activation key.
There is an electrical
fault.
Remedy
► Charge the battery.
► Pull out the activation key.
► Remove the battery.
► Allow the battery to cool down or warm
up.
► Pull out the activation key.
► Remove the battery.
► Clean the electric contacts in the battery
compartment.
► Fit the battery.
► Switch the lawn mower on.
► If 3 LEDs still flash red: do not use the
lawn mower and consult a STIHL spe‐
cialist dealer.
► Pull out the activation key.
► Remove the battery.
► Allow the lawn mower to cool down.
► 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.
► Pull out the activation key.
► Remove the battery.
► Clean the electric contacts in the battery
compartment.
► Insert the activation key.
► Fit the battery.
► Pull out the activation key.
► Remove the battery.
► Clean the lawn mower.
► Allow the lawn mower or battery to dry.
► Set a higher cutting height.
► Switch the lawn mower on in lower
grass.
► Clean the lawn mower.
► 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.
► Set a higher cutting height.
► Mow shorter grass.
► Remove the battery.
► Clean the lawn mower.
► Remove the battery and fit it again.
► Switch the lawn mower on.
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