No detergent is delivered
• the detergent button LED is off • press the detergent button
• detergent tank empty • fill the detergent tank
• the brush motor is off • turn the motor on by
operating the brush lever
• the hose delivering the
detergent to the brush is
blocked
• unblock and open the circuit
• the tap is dirty or faulty • have the tap cleaned or
replaced
• the solenoid valve is faulty • replace the solenoid valve
•the filter is dirty (CT 30 ONLY) • clean the filter
The detergent flow does not
stop
• the solenoid valve is faulty • replace the solenoid valve
The suction motor does not
start
• the suction button LED is off • press the suction button.
• 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; if it is correctly
connected, have the motor
replaced
•[B]= MOSFET temperature >
150°C
•[B]= stop the machine, leave
to cool down for 45’
•[B]= excessive motor absorption
>30 A for 2 second
•[B]= stop the machine and
check the motor
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 tank), is clogged by dirt or
broken
• empty the dirty water tank 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
• see: "The suction motor
does not start"
The batteries do not provide
the normal work time (battery
models only)
• the battery poles and charging
terminals are dirty and oxidised
• clean and grease the poles
and terminals, charge the
batteries
• the electrolyte level is low • top up all the elements with
distilled water as described in
the instructions
• the battery charger does not
work or is unsuitable
• see battery charger
instructions
• there are considerable
differences in density between
the various elements of the
battery
• replace the damaged battery
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