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9. TROUBLE SHOOTING
9.3 Symptom
If your R40Li does not work as expected, follow the troubleshooting guide below. There is a FAQ
(Frequently Asked Questions) on www.gardena.com/int which provides more detailed answers to a
number of standard questions. Contact GARDENA Central Service if you still cannot find the reason for the
fault. See MEMO on page 4.
Symptom Cause Action
The R40Li has
difficulty docking
The boundary wire is not laid in a long
straight line that is far enough out from
the charging station.
Check that the charging station has
been installed according to the
instructions in 3.2 Installation of the
charging station on page 16.
The guide wire is not inserted in the
slot at the bottom of the charging
station.
It is absolutely critical for operation
that the guide wire is perfectly straight
and is in the correct position under the
charging station. Therefore make sure
that the guide wire is always in its slot
in the charging station. See 3.6
Installation of the guide wire.
The charging station is on a slope Place the charging station on a
surface that is entirely level. See 3.2
Installation of the charging station on
page 16.
Uneven mowing
results
R40Li works too few hours per day. Increase the mowing time, see 6.3
Timer (1) on page 41.
The proportion setting is incorrect in
relation to the layout of the working
area
Check that the correct Proportion
value is selected. See 6.5 Settings
(3) on page 43.
Working area too large. Try limiting the working area or
extending the working time, see 6.3
Timer (1) on page 41.
Dull blades. Replace all the blades and screws so
that the rotating parts are balanced.
See 8.6 Replacing the blades on page
53.
Long grass in relation to the set cutting
height.
Increase the cutting height and then
successively lower.
Accumulation of grass by the blade
disc or around the motor shaft.
Check that the blade disc rotates
freely and easily. If not, screw off the
blade disc and remove grass and
foreign objects. See 8.3 Cleaning on
page 52
R40Li runs at the
wrong time
The clock on R40Li needs to be set. Set the clock, see 6.5 Settings (3).
The start and stop times for mowing
are incorrect.
Reset the start time and stop time
settings for mowing. See 6.3 Timer (1)
on page 41.