Fault
Device does not
start
Drive motor
running, but
device is not
operating
Device stops on
a slope when
operating.
Roller brushes
are not running.
Possible Cause
Battery state ≤20%.
Battery cable not correctly
connected or loose.
Safety switch in the filter cover not
operated.
Overload or fault with the main
relay.
Cause unclear.
Bowden cable of the traction drive
has extended or is not functioning.
Lack of power transmission of the
drive belt.
Cause unclear.
Slope >2%.
Bowden cable has extended and
the power transmission of the drive
belt is no longer sufficient.
Lack of power transmission of the
drive belt.
Permitted total weight of the
machine exceeded by full dirt-
hopper.
Main relay or relay for the drive has
been overloaded and is/are faulty.
Cause unclear
Straps, large packaging residues
etc. have been swept up.
Functional fault of the toothed belt
or gear wheels (e.g. toothed belt
has come off).
Roller brush motor overloaded
(check brushes for free running, as
appropriate).
Cause unclear.
TROUBLESHOOTING
Check cabling of the batteries and
Close filter cover and insert dirt-
Check and replace main relay.
Notify your dealer or customer
Check and adjust Bowden cable
Check and adjust drive belt of the
Notify your dealer or customer
Travel on a route with smaller
Check and adjust Bowden cable
Check the drive belt of the drive.
Notify your dealer or customer
Turn key switch to "0" (switch off
sweeper). Check roller brushes
for jammed or picked-up objects
such as, for example, straps,
cables etc., remove them and
check the drums for damage and
Check toothed belt and gear
Check and replace relay of the
Notify your dealer or customer
Remedy
Charge battery.
connect correctly.
hopper correctly.
services.
of the drive.
drive.
services.
slope
of the drive.
Empty dirt-hopper.
Check relay for the drive.
services.
free running.
wheels.
roller brush motor.
services.
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