39
Malfunctions
Malfunction Possible causes Troubleshooting
Page
Machine without function
Machine is switched off
• Switch the machine on
31
Press emergency stop • Release the emergency stop 31
Main fuse is defective
• Check/replace fuse
• Contact your service partner
Error code on the display • Contact your service partner 40
Batteries discharged or battery
charger defective
• Load batteries
• Contact your service partner
33
Batteries defective • Contact your service partner
Brush does not rotate
Brush drive switched off • Press Brush button 31
Main fuse is defective
• Replace fuse
• Contact your service partner
Motor rotates, brush does not
• Check if the tool is engaged
• Contact your service partner
Poor suction performance ground re-
mains wet Recovery water is not
absorbed
Suction not switched on • Press suction unit button 31
Suction hose not connected • Connect suction hose 34
Suction nozzle / squeegee not on
the ground
• Check suction nozzle / squeegee
suspension for functionality
34
Blades worn out
• Replace blades
38
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 31
Suction unit switches off
Recovery tank full
• Drain recovery tank
• Check fuse
37
Recovery tank contaminated
• Check recovery tank and clean it,
if necessary
37
Insufficient cleaning solution supply
Fresh water tank empty • Check fresh water tank 36
Quantity of the cleaning solution is
set too low
• Adjust cleaning solution volume
with +/- buttons
31
Fresh water tank filter blocked • 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
31
Machine stop without a malfunction
The drive wheels could possibly
have been blocked by an object
• Remove the object
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