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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 DE- TER-
GENT
The detergent solution tank is empty.
Fill the detergent solution tank after having
emptied 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
tighte- ned.
Tighten it correctly.
The recovery tank drain hose plug is not per-
fectly 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 SUC-
TION MOTOR DOESN'T STOP
The relay switch is defective.
Stop the machine, cutting off the main power
supply and disconnecting the main battery
connec- tor, 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
DOESN'T WORK
The battery charge doesn't start.
Check that the battery charger is connected to
the battery. Consult the battery charger man-
ual.
9.2.10
THE BATTERIES DO NOT CHARGE OR DO
NOT HOLD A CHARGE
At the end of the charging process, the battery
is not correctly charged (see the battery manu-
factu- rer's instruction-maintenance manual)
Check the battery charger error message and
check the data indicated on the display (see the
battery charger's instruction manual).
The batteries are new and do not generate
100% of the rated performances.
The accumulator reaches the maximum perfor-
mance after 20-30 complete charge cycles.
The electrolyte has evaporated and does not
completely cover the plates.
Check the battery manufacturer's use and
main- tenance manual.
There are significant differences in density
among the various elements.
Replace the damaged battery.
Always consult the battery and battery charger
use and maintenance manual. If this does not
solve the problem, contact the authorised techni-
41
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