94
Malfunctions
Malfunction Possible causes Troubleshooting Page
Machine without function
Machine is switched off
• Turn the key
85
Battery disconnection socket not
connected
• Connect the battery disconnection
socket with the machine
85
Main fuse is defective
• Check/replace fuse
• Contact your service partner
Immobilizer activated or fault in the
controls
• Stand on the running board
Battery discharged or defective, Bat-
tery charger defective
• Load batteries
• Contact your service partner
88
Batteries defective • Contact your service partner
Brush unit or suction unit cannot be
turned off
Error in the electronic system or in
the control panel
• Stop the machine using emergen-
cy stop
• Contact your service partner
84
Brush does not rotate
Brush drive switched off • Press Brush button 85
Main fuse is defective • Replace fuse
Motor rotates, brush does not
• Drive belt broken
• Contact your service partner
Poor suction performanceFloor re-
mains wetDrain water is not
absorbed
Suction not switched on • Press suction unit button 85
Suction hose not connected • Connect suction hose 88
Squeegee not on the floor
• Check squeegee suspension for
functionality
88
Blades worn out
• Replace blades
93
Hose or squeegee clogged (e.g.
pieces of wood, remnants)
• Remove any foreign matter
Suction filter clogged • Remove any foreign matter 85
Suction unit indicator lights up but
vacuum cleaner is not running
• Check fuse and replace it, if nec-
essary
• Fuse is OK, contact your service
partner
88
Suction unit switches off
Recovery tank full
• Drain recovery tank
• Check battery monitoring
• Check fuse
90
Recovery tank contaminated
• Check recovery tank and clean it, if
necessary
91
Insufficient cleaning solvent supply
Cleaning solvent tank empty • Check cleaning solvent tank 90
Cleaning solvent volume set too low
• Adjust cleaning solvent volume
with +/- buttons
85
Cleaning solvent button switched off • Press cleaning solvent button 85
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