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37
Malfunctions
Malfunction
Possible causes
Troubleshooting
Page
Machine not functional, cannot be
turned on
Machine is switched off
• Push the key
Main fuse is defective
• Check/replace fuse
• Contact your service partner
Immobilizer activated or fault in the
controls
• Contact your service partner
Battery discharged or defective, Bat
-
tery charger defective
• Charge 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
• Switch off the machine by pulling
out the key
• 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 performanceGround re
-
mains wetSoiled water is not
vacuumed up
Suction unit not switched on
• Press suction unit button
Suction hose not connected
• Connect suction hose
Suction nozzle on the floor
• Check suction nozzle suspension
for functionality
Blades worn out
• Replace blades
Hose or suction nozzle 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 solution supply
Cleaning solution tank empty
• Check cleaning solution tank
Cleaning solution volume set too low • Adjust cleaning solution volume
with +/- buttons
Cleaning solution button switched off • Press cleaning solution button