Husqvarna Automower 320 Technical Manual page 90

The robotic lawnmower
does not react when
pressing the STOP
button
The robotic lawnmower
does not react when
the hatch is closed.
6.2.2 Symptoms during searching
Table 6: Symptoms during searching
Symptom
The robotic lawnmower
runs, but the blade disc
does not rotate
The robotic lawnmower
does not run along
the guide wire when
it is searching for the
charging station.
6.2.3 Symptoms during docking
Table 7: Symptoms during docking
Symptom
The robotic
lawnmower detects
the F signal, but
cannot dock
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6. TROUBLESHOOTING
Faulty microswitch.
See above.
Cause
The robotic lawnmower is
searching for the charging station.
The blade disc does not rotate
when the mower is searching for
the charging station.
The guide loop is broken.
Cause
Dirt/leaves/grass have
accumulated in the charging
station and are preventing the
mower's charging strip from
making contact with the charging
station's charging strip.
N signal from the antenna plate
is faulty.
The cables for the charging strips
in the mower are not connected
or connected incorrectly.
The cables for the contact strips
in the charging station are not
connected or are connected
incorrectly.
Check and replace if necessary the STOP
button's microswitch.
See above.
Action
This behaviour is normal and no action
is required.
See 6.4 Troubleshooting the loop signal on
page 90.
Action
Clean the charging station.
Check the N signal. See 2.6 Tools menu,
functions on page 23.
Check that the cable lugs for the charging
strips are intact and properly connected.
Ensure the correct cable is connected to the
right charging strip. Remember that plus and
minus must be correctly connected. See 5.5
Replacing the charging strips on page 63.
Make sure the cable lugs for the contact strips
are intact and properly connected. Ensure the
correct cable is connected to the right charging
strip. Remember that plus and minus must be
correctly connected. See 5.22 Replacing the
contact strips, charging station on page 77.