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