Husqvarna 105 Operator's Manual page 73

Symptoms
The robotic
lawnmower vibrates
The robotic
lawnmower runs, but
the blade disc does
not rotate
The robotic
lawnmower mows for
shorter periods than
usual between
charges
Both the mowing and
charging times are
shorter than usual
The robotic
lawnmower is parked
for hours in the
charging station
9. TROUBLESHOOTING
Cause
Damaged blades lead to imbalance in
the cutting system.
Many blades in the same position
lead to imbalance in the cutting
system.
The robotic lawnmower searches for
the charging station.
Grass or other foreign object blocks
the blade disc.
The battery is spent.
The robotic lawnmower must stand
for at least 8 hours per day in the
charging station in order to attain its
in-built standby, see 4.2 Using the
timer on page 38.
The cover has been closed without
the START button first being pressed.
Action
Inspect the blades and screws and
replace them if necessary. See
8.7 Blades on page 64.
Check that only one blade is fitted at
each screw.
No action The blade disc does not
rotate when the robotic lawnmower is
searching for the charging station.
Remove and clean the blade disc.
See 8.4 Cleaning on page 62.
Replace the battery. See 8.8 Battery
on page 65.
No action
Open the cover, press the START
button and then close the cover.
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