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9. TROUBLESHOOTING
9. Troubleshooting
In this chapter, a number of messages are listed which may be shown in the display if there is a
malfunction. There is a proposal as to the cause and steps to take for each message.
This chapter also presents some symptoms that can guide you if the robotic lawnmower does not work as
expected.
More suggestions for steps to take in the event of malfunction or symptoms can be found on
www.gardena.com.
9.1 Messages
Below a number of messages are listed which may be shown in the display of the robotic lawnmower.
Contact GARDENA Central Service if the same message appears often. See Memo on page 4.
Message Cause Action
Wheel motor blocked,
left
Grass or other object has wrapped
around the drive wheel.
Check the drive wheel and remove
the grass or other object.
Wheel motor blocked,
right
Grass or other object has wrapped
around the drive wheel.
Check the drive wheel and remove
the grass or other object.
Cutting system
blocked
Grass or other object has wrapped
around the blade disc.
Check the blade disc and remove the
grass or other object.
The blade disc lies in a pool of water. Move the robotic lawnmower and if
possible prevent the collection of
water in the working area.
No loop signal The transformer is not connected. Check the wall socket connection and
whether an earth-fault breaker has
tripped. Check that the low voltage
cable is connected to the charging
station.
The boundary wire is not connected
to the charging station
Check that the boundary wire
connector is fitted properly to the
charging station. See 3.5 Connecting
the boundary wire on page 27.
Boundary wire broken. Find out where the break is. Replace
the damaged section of the loop with
a new loop wire and splice using an
original coupler. See 9.4 Finding
breaks in the loop wire on page 68.
The boundary wire is laid in the wrong
direction around an island.
Check that the boundary wire has
been laid according to the instructions
in chapter 3. Installation.
The connection between the robotic
lawnmower and the charging station
has been broken.
Place the robotic lawnmower in the
charging station and generate a new
loop signal via Security -> New loop
signal.
Disturbances from metal objects
(fences, reinforcement steel) or
buried cables close by.
Try moving the boundary wire.