Husqvarna AUTOMOWER 420, Техническое руководство

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9 Trapped The robotic lawnmower has
got caught in something.
Free the the robotic lawnmower and
rectify the reason for it becoming trap-
ped.
The robotic lawnmower is
stuck behind a number of ob-
stacles.
Check if there are any obstacles
which make it hard for the robotic
lawnmower to move on from this lo-
cation.
One of the body’s attachments
has come loose.
Check that the body is properly secu-
red in the front and rear rubber dam-
pers.
15 Lift The lift sensor has been acti-
vated due to the mower get-
ting stuck.
Free the robotic lawnmower and rec-
tify the reason it got stuck.
One of the lift senor magnets
is inverted or missing.
Check the magnets. Refer to
5.1.4 Magnets for sensors on
page 57 .
The lift sensor is faulty. Check the lift sensor. Refer to
5.23 Replacing front collision column/
lift sensor on page 76 .
13/78 No drive The robotic lawnmower has
got caught in something.
Free the mower and rectify the reason
for the lack of drive. If it is due to wet
grass, wait until the lawn has dried
before using the mower.
The working area includes a
steep slope.
Maximum guaranteed slope is 45%.
Steeper slopes should be isolated.
The guide wire is not laid at an
angle on a slope.
If the guide wire is laid on a slope, it
must be laid at an angle across the
slope. See chapter 3 Installation in the
Operator's Manual.
10 Upside down The robotic lawnmower is lea-
ning too much or has turned
over.
Turn the mower the right way up and
rectify the cause of the mower turning
over.
50/51/52 Guide 1/2/3 not found The mower is no longer recei-
ving signals from respective
guide wire.
Check connection of guide wire to
charging station. To locate a break in
a wire, refer to 6.5 Finding a break in
the boundary wire .
This may be due to a break in the
guide wire or that it is not connected
to the charging station. If the mower
has been used on another installation
with several guide wires other than
the current one, this fault message
can also appear.
55
Difficult finding home
The mower has followed the
boundary wire but not found
the charging station.
Check the boundary wire's corridor
width setting and location, refer to the
Operator's Manual.
56 Guide calibration ac-
complished
Guide wire calibration has
been successful.
No action.
57 Guide calibration
failed
Guide wire calibration has
failed.
Check that the guide wires are installed
as described in the Operator's Manual.
Then carry out a new calibration, refer
to 3.5 Calibrate guide on page 40.
6. TROUBLESHOOTING