Troubleshooting; Introduction - Troubleshooting; Fault Messages - Husqvarna AUTOMOWER 440 Operator's Manual

6.1 Introduction - 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.husqvarna.com.

6.2 Fault messages

Below a number of fault messages are listed which may be shown in the display of the robotic lawnmower. Contact
your local Husqvarna representative if the same message appears often.
Message Cause
Wheel motor blocked,
Grass or other object has wrapped around
left
the drive wheel.
Wheel motor blocked,
Grass or other object has wrapped around
right
the drive wheel.
Cutting system
Grass or other object has wrapped around
blocked
the blade disc.
The blade disc lies in a pool of water.
Cutting height
Grass or other object has wrapped around
blocked
the cutting height adjustment or between the
blade disc and chassis.
No loop signal
The power supply is not connected.
The low voltage cable is damaged or not con-
nected.
The boundary wire is not connected to the
charging station.
Boundary wire broken.
ECO mode is activated and the robotic lawn-
mower has attempted to start outside the
charging station.
The boundary wire is laid in the wrong direc-
tion around an island.
The connection between the robotic lawn-
mower and the charging station has been
broken.
Disturbances from metal objects (fences, re-
inforcement steel) or buried cables close by.
447 - 001 -

6 Troubleshooting

Action
Check the drive wheel and remove the grass
or other object.
Check the drive wheel and remove the grass
or other object.
Check the drive wheel and remove the grass
or other object.
Move the robotic lawnmower and prevent the
collection of water in the working area.
Check the blade disc and the bellows around
the cutting height adjustment and remove any
grass or other objects that may have got
stuck.
Check the wall socket connection and wheth-
er an earth-fault breaker has tripped or not.
Check that the low voltage cable is connected
to the charging station.
Check that the low voltage cable is not dam-
aged. Check that it is also properly connected
to the charging station and to the power sup-
ply.
Check that the boundary wire connectors are
fitted properly to the charging station. Re-
place connectors if damaged. See
ing the boundary wire on page 19 .
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
Find breaks in the loop wire on page 56 .
Place the robotic lawnmower in the charging
station, press the START button and close
Settings on page 32 .
the hatch. See
Check that the boundary wire was laid ac-
cording to instructions, e.g. in the right direc-
tion around the island. See
page 14 .
Place the robotic lawnmower in the charging
station and generate a new loop signal, see
Security on page 26 .
Try moving the boundary wire.
Connect-
Boundary wire on
Troubleshooting - 49