88
Malfunctions
Malfunction
Possible causes
Troubleshooting
Page
Machine without function
Machine is switched off
• Turn the key
Battery disconnection socket not
connected
• Connect the battery disconnection
socket with the machine
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
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
Brush does not rotate
Brush drive switched off
• Press Brush button
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
Suction hose not connected
• Connect suction hose
Squeegee not on the floor
• Check squeegee suspension for
functionality
Blades worn out
• Replace blades
Hose or squeegee clogged (e.g.
pieces of wood, remnants)
• Remove any foreign matter
Suction filter clogged
• Remove any foreign matter
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
Suction unit switches off
Recovery tank full
• Drain recovery tank
• Check battery monitoring
• Check fuse
Recovery tank contaminated
• Check recovery tank and clean it, if
necessary
Insufficient cleaning solvent supply
Cleaning solvent tank empty
• Check cleaning solvent tank
Cleaning solvent volume set too low • Adjust cleaning solvent volume
with +/- buttons
Cleaning solvent button switched off • Press cleaning solvent button
