GB MT
74
Troubleshooting
Problem Possible cause Remedy
Machine does not start
Rechargeable battery not
inserted
Insert rechargeable battery
(see “Replacing the recharge-
able battery”)
Cover (1) is open Close cover (1)
Defective motor
Send the device in to the Ser-
vice Centre for repair
Grass too long
Mow the lawn area before-
hand, if necessary.
Set higher cutting height.
Motor switches off Blockage by foreign body Remove foreign body
Lawn mower moves,
but does not cut
Blades blunt or defective
Replace blades (see “Turning/
replacing blades”)
Cutting motor defective
Contact manufacturer (see
“Service Centre”)
Output not satisfactory
or motor is diffi cult to
operate
Cutting height too low Set higher cutting height
Blades (20) blunt Sharpen or replace blades
Blade area blocked Clean device
Blades (20) incorrectly mount-
ed
Install blades correctly
Abnormal sounds, clat-
tering or vibrations
Blade bolts (34) loose Tighten blade bolts
Blades (20) damaged Replace blade
Lawn mower moves out
of the boundary
Routing error: 90° corners can
lead to signal loss
Take corners widely or at a
45° angle
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