3-12
3.2 Mechanical scrubbing system: what to do if. . .
The machine doesn’t clean well
1 The machine is switched off ⇒ Switch on the machine.
2 The machine doesn’t switch on ⇒ Refer to the proper section (see section
3.1 at page 9).
3 The machine is not in working con-
dition
⇒ Switch on the machine.
Lower the scrubbing base.
Press the traction pedal.
4 The display shows an alarm mes-
sage
⇒ Check what alarm message is
shown and solve the related issue
by following the proper instructions
(see section 5.6.1 at page 44).
5 The brush rotates in opposite way ⇒ Check the motor connections.
6 The brush deck motor is not sup-
plied
⇒ Verify the motor connections.
7 The microswitch of the scrubbing
base lifting lever doesn’t work
⇒ Replace the microswitch (see section 4.1.6
at page 19).
8 The microswitch of the traction
pedal doesn’t work
⇒ Replace the microswitch (see section 4.1.4
at page 19).
9 The brush is not properly engaged ⇒ Release and engage properly the
brush.
10) The solution flow rate is not correct
or not enough
⇒ Refer to the proper section.
The brush deck doesn’t move
1 The brush deck Lever doesn’t move ⇒ Check that there are no mechani-
cal obstacles to the movement of the
lever.
2 The lever moves but the brush deck
doesn’t move
⇒ Check that the lifting cable runs in
its sheath and the chain is free to
move. Check that the brush deck lift-
ing arms are free to move.
3 The brush deck is lowered but it
doesn’t touch the ground
⇒ Check the settings of the lifting ca-
ble.
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