Weekly Operations; Operations At Extended Intervals; The Machine Doesn't Work; Recommended Spare Parts - Lavorwash LAVOR PRO COMFORT M87 Manual Del Usuario

8.9.2 WEEKLY OPERATIONS

Check and, if necessary, replace or adjust the height
of the splash guard.
Carefully check the profile of the squeegee blades and
replace them, if necessary.
Check that the suction hoses and conduit s are not
clogged; open and clean the squeegee inspection
compartment.
Check that the brushes are flat as they work on the
surface (check for any irregular wear on the brushes
or on the abrasive disks). If necessary, adjust the slant
of the action on the floor.
Thoroughly clean the solution and recovery tanks.
For other models with the Pb-Acid battery: check the
level of the electrolyte in all elements and, if necessary,
top up with distilled water . Refer to the battery
manufacturer's detailed instructions.

8.9.3 OPERATIONS AT EXTENDED INTERVALS

Even though the machine was built with great precision
and conforms to the most severe quality test s, the
electrical and mechanical p arts will inevit ably be
subjected to wear and aging after extended periods of
use.
For safe and problem-free operation, your machine
Number of flashes
1.
2.
3.
4.
5.
6.
7.
8.
9.
These indications make it easier to underst and the
underlying causes of some problems based on specific
type of inconvenience. For the type of corrective action
to take please refer to the specific sections described
below.

9.1 THE MACHINE DOESN'T WORK

The key isn't inserted or correctly turned.
Insert and turn the key to position "1".
The battery connector is disconnected or poorly
attached to the main wiring connector.
Firmly connect the two connectors.
The emergency/work stoppage button is pressed.
Disengage the emergency/work stoppage button.
The machine is charging.
Complete the charging operation.
The batteries are dead (sequence of 3 red LED
flashes).
Charge the batteries.
No operator in the driver's seat.
Sit in the driver's seat.
The main fuse is burned.
Replace it.
The control card has overheated (sequence of 7
red LED flashes)
should be carefully checked every year by our authorised
technical service centre (or by a specialist in the sector
familiar with all the pertinent safety regulations contained
in this manual).
This type of work may have to be carried out more
frequently if the machine operates in particular/difficult
situations and/or if required maintenance was not
performed.

8.10 RECOMMENDED SPARE PARTS

You'll always be able to use your machine as efficiently
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.

9 OPERATING CHECKS

The main electrical components and the function control
card are located under the front panel of the machine.
This card is equipped with a self-diagnostic system that
uses a red LED to indicate correct operation or
malfunctions. The LED remains illuminated to indicate
that the card is operating correctly, while a sequence
of flashes indicates a different error message as per
the following list:
Error message
Motor not stopped when the machine begins moving.
Motor not stopped when the machine begins moving.
Battery voltage too low.
Battery voltage too high.
Accelerator pedal not at rest when the machine starts moving.
Malfunctioning accelerator pedal potentiometer.
Card overheating.
Eprom programming error.
Control power error.
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 problem persists, contact the authorised service
centre.

9.2 THE MACHINE DOESN'T MOVE FORWARD

The direction selection lever is in the neutral position.
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 parking brake is engaged.
Disengage the parking brake lever.
The (general) thermal breaker of the drive motor(s)
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 machine
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