Symptoms - Husqvarna Automower 305 Technical Manual

6.2 Symptoms

The most commonly occurring symptoms are described below. All symptoms are grouped according to
the situation where they most frequently occur.
1. Mowing
2. Searching
3. Following the guide wire
4. Docking
5. Charging
6. Other
6.2.1 Symptoms during mowing
Table 8: Symptoms during mowing
Symptom
Uneven mowing
results
The robotic
lawnmower runs at the
wrong time
The robotic
lawnmower vibrates
The mower mows
for shorter periods
than usual between
charges
Both the mowing and
charging times are
shorter than usual
6. TROUBLESHOOTING
Cause
The robotic lawnmower works
too few hours per day.
Working area too large.
Dull blades.
Long grass in relation to the set
cutting height.
Accumulation of grass at the
blade disc or around the motor
shaft.
The robotic lawnmower clock
needs to be set.
The start and stop times for
mowing are incorrect.
Damaged blade on blade disc
Wrong number of blades on
the blade disc creates an
imbalance.
Grass or a foreign object is
blocking the blade disc or
wheels. The cause may also be
impaired battery capacity.
Impaired battery capacity.
Action
Increase the work hours.
Try to limit the working area or extend the
working time.
Replace all the blade units so that the
rotating parts are balanced.
Increase the cutting height and then
successively lower.
Check that the blade disc rotates freely
and easily. If not, the blade disc may need
to be removed and the grass and foreign
objects removed.
Set the clock. See the Operator's Manual.
Adjust the start and stop time setting for
mowing. See the Operator's Manual.
Inspect the blades and screws and
replace them if necessary.
Make sure there are no blades missing or
that more than one blade is mounted on
the same screw.
Remove and clean the blade disc.
Perform a battery test to determine the
battery's capacity. See "6.6 Battery test"
on page 87.
Perform a battery test to determine the
battery's capacity. See "6.6 Battery test"
on page 87.
English - 77