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22 Troubleshooting Guide
Docking station not connected to
power supply.
► Check power supply to the docking station, @ 10.3.
Incorrect docking. ► Place the robotic mower in the mowing area and
send it back to the docking station (@ 14.3), check
for correct docking. If necessary, correct the position
of the docking station,@ 10.3.
Charging contacts corroded. ► Have the charging contacts replaced by an
authorized STIHL iMow servicing dealer.
Docking not working. Uneven entry area to docking
station.
► Level out the entry area to the docking station,
@ 14.3.
Dirty drive wheels or dirty base
plate.
► Clean the drive wheels and the base plate of the
docking station, @ 20.
Perimeter wire incorrectly routed
in area of docking station.
► Re-route the perimeter wire. Ensure correct routing
in the area of the docking station, @ 11.
Ends of perimeter wire not cut. ► Cut the perimeter wire as described and route it
without excess length. Do not roll up protruding
ends, @ 10.5.
The robotic mower travels past
the docking station or docks at an
angle.
Wire signal affected. ► Link the robotic mower and docking station again.
Ensure that the robotic mower is in correct
alignment to the docking station.
Perimeter wire incorrectly routed
in area of docking station.
► Re-route the perimeter wire. Ensure correct routing
in the area of the docking station, @ 11.
► Check for correct connection of the perimeter wire
ends in the docking station, @ 10.5.
The robotic mower has crossed
the perimeter wire.
Perimeter wire incorrectly routed,
clearances are not correct.
► Check the routing of the perimeter wire, @ 10.7.
Slope of mowing area too steep. ► Check the clearances with the iMow Ruler, @ 11.3.
Interference affecting the robotic
mower.
► Contact an authorized STIHL iMow servicing dealer.
The robotic mower frequently
becomes stuck.
Cutting height too low. ► Increase the cutting height, @ 17.4.
Drive wheels dirty. ► Clean the drive wheels, @ 20.
Depressions or obstacles in the
mowing area.
► Fill up holes in the mowing area, install restricted
areas around obstacles such as exposed roots,
remove obstacles.
Impact sensor is not activated
when the robotic mower hits an
obstacle.
Low obstacle (height less than
3.9 in. (10 cm)).
► Remove the obstacle or block it off with a restricted
area, @ 11.6.
Always activate the disabling device before carrying out any inspection, cleaning or maintenance.
Condition Possible Cause Remedy
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