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9.2.2
THE MACHINE DOESN'T MOVE FOR-
WARD
The direction selection lever is in the neutral posi-
tion.
Select a running direction.
The advancement pedal is not pressed.
Press the pedal.
The floor slope is too steep.
Manually push the machine to the new level.
The thermal breaker of the drive motor is tripped.
Stop the machine, allow it to remain inactive for 5
minutes, replace the fuses.
The advancement pedal microswitch is broken.
Replace it.
The batteries are dead.
Charge the batteries.
The accelerator pedal was pressed when the ma-
chine was turned on.
Release the accelerator pedal, turn off and restart
the machine.
The accelerator pedal potentiometer is malfunc-
tioning.
Replace the potentiometer.
The drive motor was not stopped when the ma-
chine was turned on.
Place the machine on a flat surface, turn it on and
off again with the key.
9.2.3
THE BRUSHES DON'T ROTATE
The brush motor switch is not selected.
Press the button to activate the brushes.
The machine is not moving forward and the con-
trol tripped to avoid damaging the floor.
Press the advancement pedal.
The brush motor thermal breaker tripped; the
motor overheated.
Troubleshoot the cause (cords or similar items that
impede movement, surface too rough, etc.) and press
the reset breaker.
The transmission belt is broken.
Replace it.
The motor relay or the brush motor is broken.
Replace it.
9.2.4
NOT ENOUGH OR TOO MUCH DETER-
GENT
The detergent solution tank is empty.
Fill the detergent solution tank after having emp-
tied the recovery tank.
The brushes or the machine has stopped.
Activate the brushes and press the accelerator.
The flow adjustment lever is closed or almost
closed.
Adjust/increase the detergent solution outlet flow
as required.
The detergent solution filter is clogged.
Clean the filter.
The detergent feed conduit is clogged in some
point.
Clean out the conduit by removing the dirt.
The flow opening solenoid valve is burned.
Replace it.
9.2.5
NO SUCTION
The suction hose is not connected to the squee-
gee.
Connect it correctly.
The suction hose, the squeegee conduit or the
inspection compartment is clogged.
Clean out and remove any obstructions from the
conduits.
The suction motor is turned off.
Activate it.
The recovery tank is full.
Empty it.
The suction motor is not receiving electric power
or is burned.
Check the connections and, for the latter case,
replace the motor.
9.2.6
INSUFFICIENT SUCTION
The recovery tank cover was not correctly tight-
ened.
Tighten it correctly.
The recovery tank drain hose plug is not perfectly
closed.
Close it correctly.
The suction hose, the squeegee conduit or the
inspection compartment is clogged.
Clean out and remove any obstructions from the
conduits.
9.2.7
THE BRUSH MOTOR OR THE SUCTION
MOTOR DOESN'T STOP
The relay switch is defective.
Stop the machine, cutting off the main power sup-
ply and disconnecting the main battery connector,
and contact the technical service centre.
9.2.8
THE SQUEEGEE DOESN'T CLEAN OR
DRY EFFICIENTLY
The squeegee blades are worn or are dragging
solid dirt.
Replace or clean them.
The squeegee adjustment is not correct; the
advancement must be exactly perpendicular to the
running direction.
Adjust the squeegee.
The suction hose, the squeegee conduit or the
inspection compartment is clogged.
Clean out and remove any obstructions from the
conduits.
9.2.9
THE BATTERY CHARGER DOESN'T
WORK
The battery charge doesn't start.
Check that the battery charger is connected to the
battery. Consult the battery charger manual.
9.2.10
THE BATTERIES DO NOT CHARGE OR
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