Husqvarna Automower 320 Operator's Manual page 78

No loop signal
Trapped
English - 76
TROUBLESHOOTING
The transformer is not connected.
The low voltage cable is damaged
or not connected.
The boundary wire is not connected
to the charging station
Boundary wire broken.
ECO mode is activated and the
robotic lawnmower has attempted
to start outside the charging station.
The boundary wire is laid in the
wrong direction around an island.
The connection between the robotic
lawnmower and the charging station
has been broken.
Disturbances from metal 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.
Check the wall socket connection and whether
an earth-fault breaker has tripped.
Check that the low voltage cable is not
damaged. Check that it is also properly
connected to the charging station and to the
transformer.
Check that the boundary wire connectors are
fitted properly to the charging station. See 3.5
Connecting the boundary wire on page 27.
Find out where the break is. See 9.5 Finding
breaks in the loop wire on page 82. Replace the
damaged section of the loop with a new loop
wire and splice using an original coupler.
Place the robotic lawnmower in the charging
station, press the Start button and close the
hatch. See 6.9 Settings on page 59.
Check that the boundary wire has been laid
according to the instructions. See 3 Installation
on page 15.
Place the robotic lawnmower in the charging
station and generate a new loop signal.
See 6.5 Security on page 45.
Try moving the boundary wire.
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.