Dustbane Hurricane 700 XTT Mode D'emploi page 23

The brush stop with head low alarm has cut in,
Buzzer sound (brush
indicating that the head may be on the ground
stop alarm)
with the brushes stopped, with the risk of
damaging them.
The machine does not
The brushes or abrasive discs or rollers are worn.
wash evenly
The pressure exercised by the head on the floor is
not right.
The brush keeps on
turning also when the
main switch and/or The brush relay is faulty.
brush switch have been
pressed.
The solution does not The head is in the rest position and therefore the
come out solenoid valve is not working.
The cock control lever is at the position "CLOSED".
The tap filter is dirty.
The solution tank is empty.
The flow of solution
keeps coming to the The solenoid valve is dirty.
brush.
The suction motor does The squeegee microswitch is out of calibration or
not work faulty.
The power fuse FU1 and/or the control fuse FU5
and/or the suction motor fuse FU4 have blown.
The suction motor is not fed or is faulty.
The squeegee does not The edge of the rubber blades in contact with the
clean well floor is rounded off.
There is an obstruction or damage in the
squeegee or in the tube.
The float has intervened (recovery tank full), or is
blocked by dirt or broken.
There is an obstruction in the suction tube.
The suction tube is not connected to the
squeegee or is damaged.
The suction unit motor is not fed or is faulty.
Outflow of detergent
water from head is not Water outlet holes are obstructed.
uniform
The drive is not The power fuse FU1 and/or the control fuse FU5
working have blown.
The thermal protection of the drive motor has
tripped: the motor has become overheated.
The potentiometer is faulty.
The anti-crushing microswitch is out of calibration
or faulty (the machine does not work in reverse).
Raise the head and then lower normally.
Replace them.
Adjust the brush pressure on the floor acting on
the proper button.
Have it replaced.
Lower the head by pressing the brush up-down
button.
Move the lever to the position "OPEN".
Clean it.
Fill it up.
Have the solenoid valve cleaned.
Calibrate or replace.
Check and remove the causes that made the fuse
blow, then replace it.
Check that the motor power supply connector is
connected to the main wiring in the right way; in
the second case have the motor replaced.
Replace the rubber blade.
Remove the obstruction and repair the damage.
Empty the recovery tank or make the necessary
repairs to the float.
Free the tube from the obstruction.
Connect or repair the tube.
Check that the motor power supply connector
is connected to the main wiring in the right way
and that the protection fuse has not blown; in the
second case replace the motor.
Clean holes.
Check and remove the causes that made the fuse
blow, then replace it.
Stop the machine and switch it off, letting it cool
down for at least 45' .
Replace it.
Calibrate or replace.
Operations Manual Hurricane 700 XTT / Hurricane 850 XTT
23