Operation Manual

English
81
Fault messages Possible cause Measure
Fault code CN0XX:
Overtemperature during
charging
Battery overtemperature > 40 °C. Do not leave the robot lawnmower on the
base station, remove it from the base station
if necessary. Do not charge the battery any
longer. Switch o the robot lawnmower at the
[ON/OFF key].
Fault code CN047:
Overtemperature
Battery overtemperature > 55 °C.
[Delayed operation] and [Current mowing time]
 ash alternately on the display.
Cancel mowing. Do not place the robot
lawnmower on the base station. Do not
charge the battery any longer. Switch o the
robot lawnmower at the [ON/OFF key] and let
the battery cool down.
Battery overtemperature > 60 °C. Emergency switch-off by monitoring
electronic control unit. Do not place the
robot lawnmower on the base station. Do not
charge the battery any longer. Switch o the
robot lawnmower at the [ON/OFF key] and let
the battery cool down.
Fault code CN048:
Undertemperature
Undertemperature < 0 °C battery. No operation possible.
Fault code CN049:
Undertemperature
Undertemperature < -20 °C battery.
Emergency switch-o
No operation possible.
Fault code CN0XX:
Overtemperature
Mowing motor overtemperature > 80 °C.
[Delayed operation] and [Current mowing time]
 ash alternately on the display.
Cancel mowing. Do not place the robot
lawnmower on the base station. Switch off
the robot lawnmower at the [ON/OFF key].
Mowing motor does not
run
Battery defective. Charge the battery or have it renewed by an
Authorised Service Centre.
Uneven mowing result. Working time of the robot lawnmower is too
short, less than 1 hour
Program longer working times.
Mowing area too large. Program longer working times.
Reduce the mowing area.
The cutting height is not correct for the length
of the grass (long grass).
Raise the cutting height
The gradually reduce the cutting height until
reaching the required height.
The cutting blades are blunt. Renew the cutting blades and the
corresponding screws.
Have the cutting blade resharpened by an
Authorised Service Centre and reinstall it with
new screws.
Grass is blocking or hampering the rotation of
the cutting blade plate or motor shaft.
Remove the grass and make sure that the
cutting blade plate can then rotate freely.
If the cutting blade plate still does not rotate
freely, remove the cutting blade plate, clean it
and reinstall it with new screws.
The robot lawnmower
mows at the wrong time.
The time on the robot lawnmower must be set. Set the time, see Changing the time on Seite
63 .
Start and finish times of mowing have been
entered wrongly.
Set the start and finish times again, see
Changing the time on Seite 69 .
The robot lawnmower
vibrates.
Imbalance on the cutting blade or cutting
blade drive.
Check the cutting blade and cutting blade
drive and renew if necessary.