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19 Troubleshooting
19.1 Remedying Lawn Mower or Battery Faults
19 Troubleshooting
Fault
LEDs on the
operating unit
LEDs on the
battery
Cause
Remedy
The lawn mower
does not start
when switched
on.
1 LED on the charge
state indicator flashes
green.
1 LED flashes
green.
The battery charge
state is too low.
► Charge the battery.
1 LED on the charge
state indicator
illuminates red.
1 LED
illuminates red.
The battery is too
warm or too cold.
► Pull out the activation key.
► Remove the battery.
► Allow the battery to cool down or warm
up.
Warning triangle
flashes red.
3 LEDs flash
red.
There is a fault in the
lawn mower.
► 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.
Warning triangle
illuminates red.
3 LEDs
illuminate red.
The lawn mower is
too warm.
► Pull out the activation key.
► Remove the battery.
► Allow the lawn mower to cool down.
3 LEDs on the charge
state indicator
illuminate red.
4 LEDs flash
red.
There is a fault in the
battery.
► 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.
The electrical
connection between
the lawn mower and
battery has been
interrupted.
► Pull out the activation key.
► Remove the battery.
► Clean the electrical contacts on the
lawn mower.
► Insert the activation key.
► Fit the battery.