74
Malfunctions
Malfunction
Possible causes
Troubleshooting
Page
Machine without function
Machine is switched off
• Turn the key
Emergency stop button pressed
• Release the emergency stop but
-
ton
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
Batteries discharged or battery char
-
ger defective
• Load batteries
• Contact your service partner
Batteries defective
• Contact your service partner
Brush does not rotate
Brush drive switched off
• Press Brush button
Main fuse is defective
• Replace fuse
• Contact your service partner
Motor rotates, brush does not
• Drive belt defective
• Check if the tool is engaged
• Contact your service partner
Poor suction performance Ground
remains wet Soiled water is not
vacuumed up
Suction not switched on
• Press suction unit button
ECO button pressed
• Switch off ECO button
Suction hose not connected
• Connect suction hose
Suction nozzle / squeegee not on the
floor
• Check suction nozzle / squeegee
suspension for functionality
Blades worn out
• Replace blades
Suction hose or squeegee clogged
(e.g. pieces of wood, pieces of fab
-
ric)
• 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 fuse
Recovery tank contaminated
• Check recovery tank and clean it, if
necessary
Insufficient cleaning solution supply
Fresh water tank empty
• Check fresh water tank
Quantity of the cleaning solution is
set too low
• Adjust cleaning solution volume
with +/- buttons
Cleaning solution button switched off • Press cleaning solution button
Fresh water tank filter
• Filter
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