ENGLISH
22
No detergent is delivered
• the tap lever is in the "CLOSED"
position
• move the lever to the
"OPEN" position
• the detergent tank is empty
• fill it
•
the
hose
delivering
the
detergent to the brush is
blocked
• unblock and open the circuit
• the tap is dirty or faulty
• clean or replace the tap by
unscrewing the screw (ref.
1 fig. 11)
The detergent flow does not
stop
• the tap stays open, because it is
damaged or very dirty
• have the tap cleaned or
replaced
The suction motor does not
start
• the suction switch is in the ‘0'
position (off)
• turn the suction switch on
• there is no power to the suction
motor or the motor is faulty
• check that the motor power
connector
is
correctly
connected
to
the
main
wiring; in the second case
have the motor replaced
• [B] [BT]= the fuse has blown
• [B] [BT]= replace the fuse
The squeegee does not clean
or suction is ineffective
• the edge of the rubber blades in
contact with the floor is worn
• replace the rubber blade
• the squeegee or hose is
blocked or damaged
• unblock and repair the
damage
• the float switch has tripped (dirty
water drum), is clogged by dirt or
broken
• empty the dirty water drum
or reset the float switch
• the suction hose is blocked
• unblock the hose
• the suction hose is not
connected to the squeegee or is
damaged
• connect or repair the hose
• there is no power to the suction
motor or the motor is faulty
• check that the motor power
connector
is
correctly
connected to the main wiring
and that the fuse is not
blown; in the second case
have the motor replaced
The machine does not move
• there is no power to the
brush/drive motor or it is faulty
• in the first case, place the
brush switch in the "1"
position
and
press
the
brush/drive
lever;
in
the
second case, check that the
brush/drive motor is correctly
connected to the main wiring;
in the third case replace the
motor
CT90, drive motor electronic
board protection activated,
check the type of alarm
present on the board (see
chapter 11)
• the reduction unit is broken
(therefore the brush does not
turn)
• have the reduction unit
replaced
• the brush motor thermal cutout
has
tripped;
the
motor
is
overheated
• stop the machine, turn it off
and leave it to cool for at
least 45'
• [B] [BT]= the batteries are flat
and the brushes have shut down
• [B] [BT]= recharge the
batteries
