28
Problem
Possible causes
Solution
The machine does not move
Disconnected battery
Connect the battery
Machine without fuel
Refill it
Circuit protection fuses
Restore the fuses
Parking brake engaged
Disengage it
Hydraulic unlocking screw in incorrect position
Turn it correctly
The central brush does not turn
Central brush lever raised
Lower the central brush with the lever
Debris around the brush transmission
Remove the debris
Debris hopper not completely lowered
Lower the debris hopper completely
The central brush does not clean
Worn central brush
Replace the brush
Full debris hopper
Empty the debris hopper
The brush does not turn
Call the authorised technical assistance centre
The brush does not have enough pressure
Adjust the pressure by operating on the
appropriate handle (see chapter 12)
Excessive or altered noise of the central
brush
Dirt around the brush
Remove the dirt
The machine lifts dust during operation
Intake system off
Turn on the intake system with the switch
Clogged dust filter
Clean the dust filter
Full debris container
Empty the debris container
Damaged or incorrectly adjusted flap
Check integrity and correct adjustment of the
flap (*)
Incorrect central brush ground height
Adjust the ground height of the brush
The side brush does not work
Side brush lever raised
Lower the side brush with the lever
Debris around the brush transmission
Remove the debris
Debris hopper not completely lowered
Lower the debris hopper completely
The unloading lid of the debris container
does not close
Quick unloading lid locked by debris
Remove the debris and the dirt from the
compartment edge
The filter shaker engine does not work
The filter shaker engine connector is not
correctly connected
Restore connections
Circuit protection fuse
Restore the fuse
REPAIR OF POSSIBLE FAILURES
