Operation Manual

English
75
17.2 Troubleshooting
If your robot lawnmower does not function correctly, follow the recommendations below. If the fault is not listed here or you
cannot identify it, contact an Authorised Service Centre for help with troubleshooting.
Fault messages Possible cause Measure
Low battery voltage Boundary cable defective, robot lawnmower
does not  nd the base station.
Check the boundary cable for interruptions,
if necessary have it tested by an Authorised
Service Centre.
Battery exhausted. The battery has exceeded its service life. Have
the battery renewed by an Authorised Service
Centre.
Charging electronic control unit defective. Have the electronic control unit checked by an
Authorised Service Centre. Have the battery
renewed.
The robot lawnmower does not touch the
charging contacts.
Push the robot lawnmower into the base
station and check if the charging contacts
make contact.
Have the spring mechanism or the charging
contacts checked by an Authorised Service
Centre.
Have bent or broken charging contacts
renewed by an Authorised Service Centre.
Incorrect PIN code The wrong PIN code was entered. Enter the right PIN code. Three attempts are
possible, after which a PUK code must be
entered.
Uneven mowing result. Working time of the robot lawnmower is too
short.
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 page
60 .
Start and finish times of mowing have been
entered wrongly.
Set the start and finish times again, see
Changing the time on page 66 .
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.