Husqvarna Automower 320 Technical Manual page 85

Installation
2 No loop signal
1
Outside working area
9 Trapped
6. TROUBLESHOOTING
Boundary wire broken.
The transformer is not
connected.
The connection between the
robotic lawnmower and the
charging station has been
broken.
The boundary wire is laid
in the wrong direction around
an island.
Disturbances from metal
objects (fences, reinforcement
steel) or buried cables close
by.
The boundary wire
connections to the charging
station are crossed.
The working area slopes too
much at the boundary wire.
The boundary wire is laid
in the wrong direction around
an island.
The mower finds it hard to
distinguish the signal from an
installation close by.
Disturbances from magnetic
objects (fences, reinforcement
steel) or buried cables close
by.
The robotic lawnmower has
got caught in something.
The robotic lawnmower
is stuck behind a number
of obstacles.
One of the body's
attachments has come loose.
Check the signal given by the LED on the
charging station. See 6.4 Troubleshooting
the loop signal on page 90.
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.
Park the robotic lawnmower in the charging
station and generate a new loop signal
using the New loop signal function.
Check that the boundary wire has been
laid according to the instructions. See
chapter 3.2.1 Laying the boundary loop on
page 31.
Try moving the boundary wire and/or
creating additional islands in the working
area.
Check that the boundary wire is connected
correctly. See Connecting the boundary
wire in the Operator's Manual.
Check that the boundary wire has been laid
according to the instructions in chapter 3
Installation in the Operator's Manual.
Check that the boundary wire has been
laid according to the instructions. See
chapter 3.2.1 Laying the boundary loop on
page 31.
Park the robotic lawnmower in the charging
station and generate a new loop signal
using the New loop signal function.
Try moving the boundary wire and/or
creating additional islands in the working
area.
Free the robotic lawnmower and rectify the
reason for it becoming trapped.
Check if there are any obstacles which
make it hard for the robotic lawnmower to
move on from this location.
Check that the body is properly secured in
the front and rear rubber dampers.
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