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TROUBLESHOOTING {1/2}
Problem
Cause
Solution
The squeegee does not dry
Worn squeegee rubber blades
Replace the rubber blades
Squeegee clogged
Clean the squeegee
A foreign object has become wedged in
the squeegee
Remove the foreign object
Vacuum hose clogged
Clean the hose
Squeegee poorly adjusted
Adjust the tilt angle (see “MAINTENANCE {FIG.12
- 3/4})
Water drain hose cap open
Close tightly
Vacuum motor blown
Replace the motor
Vacuum motor brushes worn
Replace the brushes
Squeegee not lowered at start-up, faulty actuator.
Replace the actuator
Dirty water vacuum fi lter, clogged
Clean the fi lter (see WATER DRAINING AND
CLEANING THE RECOVERY TANK {FIG.10}).
Recovery tank cover gaskets, damaged
Replace gaskets
The detergent solution does not come down
evenly on the brushes.
Water supply hoses on the brushes, clogged
Clean piping
The detergent solution does not come down or
only a small amount comes out on the brushes
Water supply hoses on the brushes, clogged.
Clean piping
Water supply hoses on the brushes, crushed.
Restore hose or replace
Water fi lter (solution) clogged
Clean fi lter
Water fi lter (solution) not perfectly closed
Check the perfect tightness of the water fi lter
Blocked closing electromagnet
Replace the electromagnet
No water in the tank
Fill the water tank
Water pump
Check water pump operation
The machine does not clean well
Brushes badly worn
Replace brushes
Brushes unsuitable for the type of fl oor
Use suitable brushes
Detergent not suitable
Replace detergent
Poor brush pressure on the fl oor
Adjust pressure
High operating speed
Decrease speed
The machine does not start
The main ignition key has not been inserted
Insert key and turn clockwise
The batteries are low
Check the charge level and charge them, if nec-
essary
Blown fuse
Check and replace the fuse, if necessary
Read NOTE!
Safety micro-switch under the seat, broken
Replace the micro-switch
Anti-tear relay for battery charger, damaged
Replace relay
Battery connection plug not inserted
Connect plug
The machine does not start or it stops suddenly
Batteries disconnected
Connect batteries
Batteries low
Charge the batteries
Motors under enough stress to trip the thermal
magnetic protection.
Wait for about a minute and then repeat the
start-up procedure.
The operator got up and the micro under the seat
has cut off the power to the system.
Sit and press the accelerator pedal
Anomaly, alarm on the display
see ELECTRICAL SYSTEM {FIG.17 - 4/4} - CON-
TROL UNIT ALARM DIAGNOSTICS TABLE
< continued on the next page >
!
NOTE
Never use fuses of a higher value, you risk causing damage to the system. If the fuses blow repeatedly, this means the machine has a defect.
Contact an AUTHORISED SERVICE CENTRE.
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