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17
General
Faults usually occur if the unit
has not been handled, cared for
or maintained properly. The
following table contains the most
common faults and remedies to
eliminate these faults. If you have
any other problems, please
contact your nearest service
center authorized by the
manufacturer, or your nearest
authorized specialist dealer.
A
Caution! Repairs that
require specialist
knowledge must only be carried
out by an authorized specialist.
A
Caution! For safety reasons,
only use original spare
parts supplied by the
manufacturer or parts that have
been authorized by the
manufacturer.
We expressly point out that in
accordance with product liability
laws, we are not liable for any
damage caused by our units if
this damage is due to improper
repair or if parts exchanged are
not our original parts or parts
approved by us, and if the
repairs were not carried out at
service center authorized by the
manufacturer or by an
authorized specialist. The same
applies to spare parts and
accessories.
10. Troubleshooting
Fault Possible Cause Remedy
Switch off the motor. Pull the
Battery out of the contact bar.
Remove the foreign body.
Blocked by foreign body.
Blocking protection activated.
Motor turns off.
Wait approx. 2 – 5 minutes,
then turn on the motor again.
Circuit breaker has been
triggered.
Harness is not flat against
Battery.
Battery not pushed
all the way in.
Motor will not start.
Turn off the mower. Pull the
Battery out of the contact bar.
Remove the foreign body.
Foreign body blocking
the cutting cylinder.
Metal-like hammering noises.
Tighten screwsMotor fixing screws or
mower casing loose.
Abnormal noise.
Clattering in the unit.
Have the blade replaced at
a Mantis Service Center or by
an authorized specialist.
Blades are blunt or damaged.
Readjust cutting tool
(refer to section 9.4.).
Cutting gap between cutting
cylinder and bottom blade is
too wide.
Increase the cutting
height.
Cutting height too low.
Yellow lawn.
Cut not clean.
Increase the cutting height and
cut the lawn in stages or charge
the batter
y (see chapter 9.2.
“The Battery”).
Battery power too low for
cutting height.
Let the motor cool for 2 – 5
minutes, then use the mower with
a higher cutting height and reduce
the cutting height in stages until
you reach the lower cutting height
you require. Push the mower more
slowly across the lawn.
The cutting height you have
selected is too low;
you are pushing the mower too
quickly. Circuit breaker has been
activated.
Motor turns off.