69
Malfunctions
Malfunction Possible causes Troubleshooting Page
Machine without function
Machine is switched off
• Turn the key
60
Emergency switch is pressed
• Connect the battery switch with the
machine
60
Main fuse is defective
• Check/replace fuse
• Contact your service partner
Error code on the display • Contact your service partner
Immobilizer activated or fault in the
controls
• Sit down on the driver seat
Gas pedal pressed during switch-on
• Release the gas pedal and try
switching on the machine again
Stopping brake interlocked • Unlock the stopping brake. 63
Battery discharged or defective, Bat-
tery charger defective
• Load batteries
• Contact your service partner
63
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 the battery
disconnection socket
• Contact your service partner
Brush does not rotate
Brush drive switched off • Press Brush button 63
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 unit switched on • Press suction unit button 60
Suction hose not connected • Connect suction hose 63
Suction nozzle not on the floor
• Check suction nozzle suspension
for functionality
63
Blades worn out
• Replace blades
68
Hose or suction nozzle clogged (e.g.
pieces of wood, remnants)
• Remove any foreign matter
Suction filter clogged • Remove any foreign matter 60
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
63
Suction unit switches off
Recovery tank full
• Drain recovery tank
• Check battery monitoring
• Check fuse
66
Recovery tank contaminated
• Check recovery tank and clean it, if
necessary
66
Insufficient cleaning solution supply
Cleaning solution tank empty • Check cleaning solution tank 65
Cleaning solution volume set too low
• Adjust cleaning solution volume
with +/- buttons
60
Cleaning solution button switched off • Press cleaning solution button 60
Clean intake • Filter
EN