5. Charging 6. Miscellaneous
Note: Refer to the Operator's manual for more information about how to rectify errors.
8.2.1 Symptoms during mowing
Symptom Cause Action
Uneven mowing results The product works too few hours per day. Increase the working hours.
Work area too large. Try to limit the work area or extend the
working time.
Blunt blades. Replace all the blades and screws so
that the rotating parts are balanced.
Long grass in relation to the set cutting
height.
Increase the cutting height and then
gradually lower it.
Incorrect lawn coverage settings. Check the lawn coverage settings and
optimise them for the installation.
Does not follow the guide wire to the
areas specified.
Check the guide signal. Refer to
Tools -
Info - Loop on page 10
.
Accumulation of grass by the blade disc
or around the motor shaft.
Check that the blade disc rotates freely
and easily. If not, the blade disc may
need to be removed and grass and for-
eign objects removed.
Weather timer reduces the mowing time
too much.
Check and change the settings. Refer to
Operator's manual.
The product runs at the wrong
time
The start and stop times for mowing are
incorrect.
Adjust the start and stop time settings for
mowing.
Weather timer reduces the cutting time. Check and change the settings. Refer to
Operator's manual.
The product vibrates Wrong number of blades creates an im-
balance.
Make sure there are no blades missing or
that more than one blade is mounted on
the same screw.
The product mows for shorter
periods than usual between
charges
Grass or a foreign object is blocking the
blade disc or wheels. The cause may al-
so be lower battery capacity.
Remove and clean the blade disc. Per-
form a battery test to determine the bat-
tery’s capacity. Refer to
Battery test on
page 58
.
Both the mowing and charging
times are shorter than usual
Lower battery capacity. Perform a battery test to determine the
battery’s capacity. Refer to
Battery test
on page 58
.
The product travels in a small
circle or one wheel locks up
when turning instead of rotat-
ing backwards.
The gearbox of the wheel motor is slip-
ping.
Check the function of the wheel motors
when idling. The battery voltage should
be more than 18 V in this test. Check that
both wheel motors start with 50% power.
Then increase the power to 100%. At
100% the speed of each wheel should be
at least 35 cm/second. Check that the
gearboxes of the motors are not slipping
by blocking each wheel. When blocking a
wheel, the speed should be 0 cm/second.
Replace the wheel motor if there is a
fault.
54 - Troubleshooting 1191 - 001 -
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