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(19). If you carry out any major alterations to the
mowing area in your garden it is recommendable
to delete the map from the robot lawn mower. The
robot lawn mower's map can also be aff ected by
weather-caused yellow areas in the lawn during
the summer months and by falling leaves in the
autumn. In these cases you should also delete the
map as described above. We recommend in such
cases to refrain from using automatic mode and to
switch instead to using secondary area mode in
suitable parts of the garden.
5.9 Garden boundaries and their quality
To ensure that your robot lawn mower works safe-
ly without a perimeter wire, the robot lawn mower
uses the camera unit (15) to check the boundaries
of the mowing area. The camera unit (15) ana-
lyzes the mowing area lying ahead of it (approx.
1m²). If the robot lawn mower comes up against a
boundary of the mowing area, it can use various
parameters to determine a boundary quality value.
5.9.1 Initialization run – getting started
Make sure that the robot lawn mower's bat-
tery is fully charged at the beginning of the
initialization run.
Then the robot lawn mower can complete the defi -
nition of a reference value in one operation. If one
battery charge is not enough for the initialization
run, the robot lawn mower will automatically return
to the charging station (19) and automatically con-
tinue its run when it is restarted.
For the reliability of the mowing area boundaries
to be determined, an individual reference value
must be created per mowing area for the robot
lawn mower's operation.
To determine the reference value the robot lawn
mower will move as usual in a random direction
within the mowing area. If the robot lawn mower
comes up against a boundary or an obstacle, it
will stop and evaluate the mowing area ahead of
it. Then the robot lawn mower will start moving
again in a random direction.
For safety reasons the initialization run takes
place with the mower unit switched off .
If the lawn mower comes up against a boundary of
the mowing area, this boundary will be evaluated
and shown in the display. A permanently appea-
ring lawn symbol on the display signals a reliable
boundary of the mowing area, and a permanently
blinking symbol signals an unreliable boundary.
For reliable determination of the reference value
you need at least 200 contacts with a boundary
of the mowing area. The boundary quality value
is checked for its reliability after more than 200
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contacts. If the robot lawn mower decides that the
value is not yet reliable enough, it will continue its
initialization run for a further 200 contacts.
If the initialization run was successful so that it
was possible to create a reliable boundary quality
value, the robot lawn mower will begin to mow the
mowing area in accordance with its mowing time
setting.
If there was no success in creating a reliable
reference value, the robot lawn mower will stop
and a fault message will appear on the display
(50). Check the boundaries of the mowing area
and correct the boundaries which do not diff er
clearly from the mowing area. Make sure that the
mowing area diff ers clearly from the surrounding
area. Now delete the existing reference value (see
5.9.4) and then repeat the initialization.
5.9.2 Checking the boundary's quality during
operation
When the robot lawn mower is in automatic mode,
it checks in regular intervals whether the current
boundary quality value of the mowing area has
changed compared to the reference value deter-
mined in its initialization run. If the boundary quali-
ty of the lawn area has worsened greatly, the robot
lawn mower will remain in the charging station and
will indicate this accordingly in a fault message on
the display.
The guide cable symbol lights up continuous-
ly
The robot lawn mower is situated inside or near
the search loop. Or the robot lawn mower is in the
charging station (19) but is not being charged.
The guide cable symbol is fl ashing
The robot lawn mower is far away from the search
loop or the power supply to the charging station
(19) has been interrupted. The guide cable (24)
was wrongly connected or has been damaged.
The lawn mower is in the charging station (19)
and is being charged.
5.9.3 Operating the robot lawn mower in se-
condary areas
The robot lawn mower can create an individual
value for the main area and the secondary area.
This means that you must carry out an initiali-
zation run in each new secondary area. You are
only allowed to use the robot lawn mower on one
secondary area. If you want to mow with the robot
lawn mower on an additional secondary area it is
absolutely essential to delete the boundary quality
value of the secondary area and to carry out an
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