Malfunctions
Malfunction
Machine without function
Brush unit or suction unit cannot be
turned off
Brush does not rotate
Poor suction performanceGround re-
mains wetSoiled water is not
vacuumed up
Suction unit switches off
Insufficient cleaning solution supply
70
Possible causes
Machine is switched off
Battery disconnection socket not
connected
Main fuse is defective
Immobilizer activated or fault in the
controls
Battery discharged or defective, Bat-
tery charger defective
Batteries defective
Error in the electronic system or in
the control panel
Brush drive switched off
Main fuse is defective
Motor rotates, brush does not
Suction not switched on
Suction hose not connected
Suction nozzle / squeegee not on the
floor
Blades worn out
Hose or suction nozzle clogged (e.g.
pieces of wood, remnants)
Suction filter clogged
Suction unit indicator lights up but
vacuum cleaner is not running
Recovery tank full
Recovery tank contaminated
Cleaning solution tank empty
Cleaning solution volume set too low • Adjust cleaning solution volume
Cleaning solution button switched off • Press cleaning solution button
Troubleshooting
• Turn the key
• Connect the battery disconnection
socket with the machine
• Check/replace fuse
• Contact your service partner
• Stand on the running board
• Load batteries
• Contact your service partner
• Contact your service partner
• Stop the machine using emergen-
cy stop
• Contact your service partner
• Press Brush button
• Replace fuse
• Drive belt broken
• Contact your service partner
• Press suction unit button
• Connect suction hose
• Check suction nozzle / squeegee
suspension for functionality
• Replace blades
• Remove any foreign matter
• Remove any foreign matter
• Check fuse and replace it, if nec-
essary
• Fuse is OK, contact your service
partner
• Drain recovery tank
• Check battery monitoring
• Check fuse
• Check recovery tank and clean it, if
necessary
• Check cleaning solution tank
with +/- buttons
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