13
Malfunctions
Malfunction
Possible causes
Troubleshooting
Page
Machine not functional, cannot be
turned on
Machine is switched off
• Turn the key
4
Battery disconnection socket not
connected
• Connect the battery disconnection
socket with the machine
4
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
• Charge batteries
• Contact your service partner
7
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
3
Brush does not rotate
Brush drive switched off
• Press Brush button
4
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 not switched on
• Press suction unit button
4
Suction hose not connected
• Connect suction hose
7
Suction nozzle on the floor
• Check suction nozzle suspension
for functionality
7
Blades worn out
• Replace blades
12
Hose or suction nozzle clogged (e.g.
pieces of wood, remnants)
• Remove any foreign matter
Suction filter clogged
• Remove any foreign matter
4
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
7
Suction unit switches off
Recovery tank full
• Drain recovery tank
• Check battery monitoring
• Check fuse
9
Recovery tank contaminated
• Check recovery tank and clean it, if
necessary
10
Insufficient cleaning solution supply
Cleaning solution tank empty
• Check cleaning solution tank
9
Cleaning solution volume set too low • Adjust cleaning solution volume
with +/- buttons
4
Cleaning solution button switched off • Press cleaning solution button
4
