TROUBLESHOOTING
This chapter lists the most common problems linked with the use of the machine. If you are unable to resolve the problems with the information given here, please contact your nearest assistance centre.
PROBLEM
POSSIBLE CAUSE
SOLUTION
THE MACHINE DOES
NOT START
The main switch is set to “0”.
Make sure that the main switch is set to “I”.
Check whether there are any alarm messages on the
control display.
Stop the machine immediately, and contact a specialised service centre.
Make sure that the batteries are correctly connected to
each other and that the battery connector is connected to
the electrical system connector.
Stop the machine immediately, and contact a specialised service centre.
Check the charge level of the batteries.
If the battery charge level is critical, perform a complete recharge cycle
(see paragraph “
”).
THE BATTERIES ARE NOT
CHARGED CORRECTLY
The connector of the battery charger cable is not
properly inserted in the battery connector.
Stop the machine immediately, and contact a specialised service centre.
The plug on the battery charger's power cable is not
correctly inserted into the electrical outlet.
Check that the battery charger power supply cable plug is connected to the mains socket.
The characteristics of the mains power supply do not
correspond to those required by the battery charger.
Check that the characteristics in the battery charger plate are the same as those of the mains supply.
The LEDs of the battery charger blink repeatedly.
Referring to the battery charger use and maintenance manual, check the meaning of the flashing signals that the
battery charger emits dung the battery recharge stage.
THE MACHINE HAS A VERY
LOW WORK AUTONOMY
Check the battery charge level, check the symbol on the
command display.
If the battery charge level is critical, perform a complete recharge cycle
(see paragraph “
”).
THE MACHINE DOES
NOT MOVE
The machine does not start.
Read the section “
”.
There is an issue on the drive pedal.
Stop the machine immediately, and contact a specialised service centre.
INSUFFICIENT DETERGENT
SOLUTION ON THE
BRUSHES
The quantity of detergent solution in the water system
is not sufficient for the work to be carried out.
Check that the amount of detergent solution present in the machine's water system is sufficient for the work to
be carried out.
Detergent solution filter obstructed.
Check the detergent solution filter isn't obstructed. If it is, clean it
(see “
CLEANING THE WATER SYSTEM FILTER
”).
THE MACHINE DOES NOT
CLEAN CORRECTLY
The machine does not start.
Read the section “
”.
Not enough detergent solution comes out.
Read the section “
INSUFFICIENT DETERGENT SOLUTION ON THE BRUSHES
”.
The brushes have not been inserted correctly
in the machine.
Check that the brushes have been correctly inserted in the machine
(see paragraph “
ASSEMBLING THE BRUSH HEAD BODY BRUSHES
”).
The type of brush used is not suitable for the dirt
to be cleaned.
Check that the brushes on the machine are adequate for the work to be carried out.
The brush bristles are excessively worn.
Check the condition of the brush, and replace it if necessary (see “
ASSEMBLING THE BRUSH HEAD BODY
THE SQUEEGEE DOES NOT
DRY PERFECTLY
The vacuum unit is obstructed.
Make sure the squeegee is free of obstructions (read “
”).
Make sure the squeegee is free of obstructions (read “
”
and “
”).
Make sure that the recovery tank filter-float is free of any obstructions (see the section “
”).
The cap on the recovery tank drainage tube is not
properly positioned.
Check that the cap on the recovery tank drainage tube is positioned properly.
The recovery tank lid is not positioned correctly.
Check that the recovery tank lid is properly positioned on the machine.
EXCESSIVE FOAM
PRODUCTION
The detergent being used is not suitable.
Check that a low foam detergent has been used. If necessary, add a small quantity of antifoam liquid to the
recovery tank.
The floor is not very dirty.
Dilute the detergent more.
THE MACHINE DOES NOT
VACUUM CORRECTLY
The recovery tank is full.
Empty the recovery tank (read the section “
”).
The vacuum device is obstructed
Read the section “
THE SQUEEGEE DOES NOT DRY PERFECTLY
EC DECLARATION OF CONFORMITY
The undersigned manufacturer:
COMAC S.p.A.
Via Maestri del Lavoro, 13
37059 Santa Maria di Zevio (VR)
Declares under its sole responsibility that the products
FLOOR SCRUBBING MACHINES mod. OPTIMA 90BS
Comply with the requirements of the following Directives:
• 2006/42/EC: Machinery Directive.
• 2014/35/EC: Low Voltage Directive.
• 2014/30/EC: Electromagnetic compatibility directive.
The person authorized to compile the technical file:
Mr. Giancarlo Ruffo
Via Maestri del Lavoro, 13
37059 Santa Maria di Zevio (VR) - ITALY
Santa Maria di Zevio (VR), 11/07/2016
Comac S.p.A.
Legal representative
Giancarlo Ruffo
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