19 Troubleshooting
19 Troubleshooting
19.1
Remedying Lawn Mower or Battery Faults
Fault
LEDs on the ope‐
rating unit
The lawn
1 LED on the
mower does
charge state indi‐
not start when
cator flashes
switched on.
green.
1 LED on the
charge state indi‐
cator illuminates
red.
Warning triangle
flashes red.
Warning triangle
illuminates red.
3 LEDs on the
charge state indi‐
cator illuminate
red.
All LEDs on the
operating unit
flash.
Self-propul‐
sion is not
working.
The lawn
Warning triangle
mower stops
illuminates red.
0478-131-9938-G
LEDs on the
Cause
battery
1 LED fla‐
The battery
shes green.
charge state is
too low.
1 LED illumi‐
The battery is too
nates red.
warm or too cold.
3 LEDs flash
There is a fault in
red.
the lawn mower.
3 LEDs illu‐
The lawn mower
minate red.
is too warm.
4 LEDs flash
There is a fault in
red.
the battery.
The electrical
connection bet‐
ween the lawn
mower and bat‐
tery has been
interrupted.
Communication
with the operating
unit has been
interrupted.
The lawn mower
or battery is
damp.
The resistance at
the blades is too
great.
There is a fault in
the self-propul‐
sion mechanism.
3 LEDs illu‐
The lawn mower
minate red.
is too warm.
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 electrical contacts
on the lawn mower.
► Fit the battery.
► Switch the lawn mower on.
► If the fault persists: do not use
the lawn mower and consult a
STIHL specialist 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 the fault persists: do not use
the battery and consult a
STIHL specialist dealer.
► Pull out the activation key.
► Remove the battery.
► Clean the electrical contacts
on the lawn mower.
► Insert the activation key.
► Fit the battery.
► Pull out the activation key.
► Remove the battery.
► Do not use the lawn mower
and consult a STIHL specialist
dealer.
► Pull out the activation key.
► Remove the battery.
► Clean the lawn mower.
► Allow the lawn mower or bat‐
tery to dry.
► Set a higher cutting height.
► Switch the lawn mower on in
lower grass.
► Remove the battery and fit it
again.
► Engage self-propulsion.
► If the self-propulsion fault per‐
sists: consult a STIHL specia‐
list dealer.
► Pull out the activation key.
► Remove the battery.
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