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7.8.
PERIODIC MAINTENANCE
If the batteries are not used for an extended period
of time, disconnect them and restore the charge
within the time limits specified for the type of battery
used (generally and as a precaution, no more than 3
months for Pb-acid/GEL/AGM batteries, 6 months for
Li-ion batteries).
The manufacturer accepts no liability for damage to
batteries caused by failure to follow this procedure.
7.9.
RECOMMENDED SPARE PARTS
You'll always be able to use your machine as effi-
ciently as possible by maintaining a stock of the most
common consumable materials and by scheduling
routine and extraordinary maintenance. Contact your
dealer for a list of these spare parts.
7.10.
PROBLEM SOLVING GUIDE
These indications make it easier to understand the
underlying causes of some problems based on spe-
cific type of inconvenience. For the type of corrective
action to take please refer to the specific sections de-
scribed below.
7.10.1. THE MACHINE DOESN'T WORK
The battery connector is disconnected or poorly at-
tached to the main wiring connector.
Firmly connect the two connectors.
The machine is charging.
Complete the charging operation.
The batteries are discharged.
Charge the batteries.
The control card has overheated.
Check the operating situations that may have caused
the malfunction (high slope, etc.). Wait 30 minutes and
try to avoid the same incorrect operations. If the prob-
lem persists, contact the authorised service centre.
7.10.2. THE MACHINE DOESN'T MOVE FORWARD
The 2 buttons under the steering wheel (deadman's
handle) are not pressed correctly.
Press the 2 buttons under the steering wheel
(deadman's handle) fully down.
The floor slope is too steep.
The batteries are dead.
Charge the batteries.
7.10.3. THE BRUSHES DON'T ROTATE
The brush motor switch is not selected.
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.
7.10.4. NOT ENOUGH OR TOO MUCH DETERGENT
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.
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.
7.10.5. NO SUCTION
The suction hose is not connected to the squeegee.
Connect it correctly.
The suction hose, the squeegee conduit or the in-
spection 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, re-
place the motor.
7.10.6. INSUFFICIENT SUCTION
The recovery tank cover was not correctly tightened.
Tighten it correctly.
The recovery tank drain hose plug is not perfectly
closed.
Close it correctly.
The suction hose, the squeegee conduit or the in-
spection compartment is clogged.
Clean out and remove any obstructions from the
conduits.
7.10.7. 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.
7.10.8. 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 ad-
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