21 Troubleshooting
21 Troubleshooting
21.1 Troubleshooting Mower and Battery
Condition
LEDs on Battery
Mower does not run
1 LED flashes
when switched on.
green.
1 LED glows red.
3 LEDs flash red.
3 LEDs glow red.
4 LEDs flash red.
0458-819-9921-A
Cause
Battery has low charge.
Battery too hot or too cold. ► Pull out the activation key.
There is a malfunction in
the mower.
Mower is too hot.
There is a malfunction in
the battery.
No electrical contact
between mower and
battery.
Mower or battery damp.
Remedy
► Charge the battery.
► Remove the battery.
► Allow battery to cool down / warm up.
► Pull out the activation key.
► Remove the battery.
► Clean contacts in battery compartment.
► Fit the battery.
► Switch on the mower.
► If 3 LEDs continue to flash red: Do not use your
mower and contact your STIHL servicing dealer
for assistance.
► Pull out the activation key.
► Remove the battery.
► Allow mower to cool down
► Remove battery and insert it again.
► Switch on the mower.
► If 4 LEDs continue to flash red: Do not use the
battery and contact your STIHL dealer for
assistance.
► Pull out the activation key.
► Remove the battery.
► Clean contacts in battery compartment.
► Insert the activation key.
► Fit the battery.
► Pull out the activation key.
► Remove the battery.
► Clean the mower.
► Allow mower or battery to dry.
English
27