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Press the button to activate the brushes.
The brush motor thermal breaker tripped; the
motor overheated.
Troubleshoot the cause (cords or similar items
that impede movement, surface too rough, etc.).
The motor relay or the brush motor is broken.
Replace it.
8.4.
NOT ENOUGH OR TOO MUCH
DETERGENT
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.
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.
8.5.
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.
8.6.
INSUFFICIENT SUCTION
The recovery tank cover was not correctly tighte-
ned.
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.
8.7.
THE BRUSH MOTOR OR THE SUCTION
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.
8.8.
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.
8.9.
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.
8.10.
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 manufacturer's
instruction-maintenance manual)
Check the battery charger error message and check
the data indicated on the display (see the battery char-
ger's instruction manual).
Or: since the machine has not been used for a long
period of time, voltage has dropped below the mini-
mum permitted value for battery charge (see 8.7)
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 mainte-
nance 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 pro-
blem, contact the authorised technical service centre.
The manufacturer CANNOT solve problems caused
by using batteries and battery chargers that were
not directly supplied.
9.
ALARM KEY
see table
40
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