LawnMaster VBRM601YCM - Page 36

36
TROUBLESHOOTING
The grass is too long.
Set a higher cutting height. If
grass length is taller than highest
cutting height, trim grass down to a
manageable height.
The battery is defective. Replace the battery.
Defective START/ON Button. Contact Customer Service.
The robotic lawn
mower runs outside
working area.
Incorrect barriers are used for
dening the working area.
Check the borders/barriers for correct
setting for dening the working area.
Make improvements or temporary
barriers if necessary. Refer to the
Dening the Mowing Area on page
20-25.
The ultrasonic sensors are turned
off.
Turn on the ultrasonic sensors.
The working area is steeper than
20º.
Reduce mower access to areas that
are steeper than 20º.
The robotic lawn
mower is upside
down.
The robotic mower is leaning too
much or has turned over.
Turn the robotic mower the right way
up and rectify the reason for it getting
turned over.
Unknown problem
with control or
function.
Temporary electronic or software
related issue in the mower.
Remove and re-insert the safety key.
Restart the mower. Download and
install the latest software update.
If the problem remains, contact
Customer Service.
The robotic lawn
mower runs on the
lawn, but the blade
disc does not rotate.
The robotic mower searches for
correct working area.
This is normal. The mower needs
to work in a suitably wide area. The
blade disc does not rotate while it is
searching for the proper working area
automatically.
The robotic lawn
mower vibrates.
Cutting blades are damaged.
Replace the blades. Refer to
Replacing the Mower Blade section
on page 30-31. Replacement blades
can be purchased by contacting
Customer Service.
Too many blades in the same
position lead to imbalance in the
cutting system.
Check that only one blade is tted at
each screw and that blades are not
stuck.
Different versions (thickness) of
blades are used.
Check if the blades are of different
versions (thickness).
The blade screw is loose. Tighten the blade screws.