55
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
SOLUTION
THE DEVICE HAS
A VERY LOW
OPERATING
AUTONOMY
Check the battery charge level, check the symbol on
the control display.
If the battery charge level is critical, perform a
complete charging cycle (read “
(VERSIONS WITH BUILT-IN BATTERY CHARGER)
The batteries do not work correctly
Read paragraph "
THE BATTERIES DO NOT WORK
CORRECTLY
".
The battery charger does not work
Read paragraph "
THE BATTERY CHARGER DOES
NOT WORK
".
The batteries have already undergone many
discharging and recharging cycles.
Replace the batteries.
THE APPLIANCE
DOES NOT
PROCEED
STRAIGHT.
The brush is not properly connected
Connect the brush correctly.
The brush head is not properly adjusted
read paragraph "Brush head adjustment".
THE APPLIANCE
DOES NOT MOVE
The dead man's levers are not activated.
Press the dead man's levers under the control
handlebars.
The potentiometer adjustment knob is positioned at
the minimum (traction versions).
Gradually turn the potentiometer adjustment
knob clockwise to regulate the appliance speed
(read “
ADJUSTING THE FORWARD SPEED (BT
”).
The electronic brake of the traction gearmotor is not
engaged (traction versions).
Engage the electric brake, turn the lever in the traction
motor counter-clockwise (the traction motor is in the
rear right of the appliance).
INSUFFICIENT
DETERGENT
SOLUTION ON THE
BRUSHES
The detergent solution tap is partially or completely
closed.
Move the tap lever control knob downward.
The quantity of detergent solution in the water system
is not sufficient for the work to be carried out.
Check that the amount of detergent solution in the
machine's water system is right for the work to be
carried out (read the paragraph “
”)
Detergent solution filter obstructed.
Make sure that the detergent solution filter is not
obstructed, if it is, clean it (read the paragraph
“
CHECKING AND CLEANING THE DETERGENT
”).
THE DEVICE
DOES NOT CLEAN
CORRECTLY
The appliance does not switch on.
Read the section “
”.
Not enough detergent solution comes out.
Read the section “
The brush is not correctly inserted in the appliance.
Make sure the brush is correctly inserted in the
appliance (read “
”).
The type of brush used is not suitable for the dirt to
be cleaned.
Make sure the brushes fitted on the appliance
are suitable for the task to be carried out (read
CHOOSING AND USING THE BRUSHES
”).
The brush bristles or the pad are excessively worn.
Check the condition of the brush, and replace it if
necessary (read “
” or “
CLEANING THE BRUSHES (BT VERSIONS)
”).