Troubleshooting
Error message
CN099: Recov es-
cape
CN104: Battery
over heating
CN110: Blade mo-
tor over heating
CN119: R-Bumper
deflected
CN120: L-Bumper
deflected
CN128: Recov Im-
possible
CN129: Blocked
WL
CN130: Blocked
WR
ADVICE
In the case of faults that are not listed in this table, or faults that you cannot rectify without
assistance, please contact our customer service department.
456403_a
Possible cause
Battery exhausted.
Charging electronics faulty.
Automatic lawnmower does
not touch charging contacts.
Automatic fault rectification
not possible.
Battery overheating - battery
temperature above 60 °C,
not discharging possible
Overheated mowing motor,
temperature > 80 °C
Automatic lawnmower has
encountered an obstacle
and cannot move clear for
safety reasons, e.g. collisi-
ons close to base station.
Obstacle encountered or
outside loop -> reversing not
possible, automatic lawnmo-
wer cannot free itself.
Left wheel motor blocked.
Right wheel motor blocked.
Solution
Battery service life exceeded. Have battery rene-
wed by an AL-KO service partner.
Have charging electronics renewed by an AL-KO
service partner.
Put automatic lawnmower into base station
and check if charging contacts make contact
Have charging contacts checked and rene-
wed by an AL-KO service partner
Rectify fault manually.
Emergency switch-off by monitoring electronic
control unit. Do not place automatic lawnmower
on base station. Switch off automatic lawnmower
and let battery cool down.
Switch off automatic lawnmower and let it cool
down. If this reoccurs, have automatic lawnmo-
wer checked by an AL-KO service partner.
Remove obstacle and acknowledge fault mes-
sage.
Remove obstacle, check cover deflection.
Remove blockage.
Remove blockage.
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