41
TROUBLE-SHOOTING CHART
WARNING ! ANY OTHER TYPE OF SERVICE OPERATION OR TEST, EXCEPTION MADE FOR THOSE SHOWN
IN THE PRESENT MANUAL, MUST BE CARRIED OUT BY AUTHORISED SERVICE CENTRES ONLY
PROBLEM
CAUSE
SOLUTION
The battery gets discharged
1.
Either exhaust or broken elements
Replace it
The display of the control card does not switch on
when inserting the key
VERSIONS: TRAC / ECO
2.
Flat or worn out battery
3.
Fuse burn out
4.
Emergency switch pressed
5.
Battery mobile connector disconnected
6.
Key operated switch broken
7.
Control board is broken
Recharge it
Replace it
Unblock it
Connect it
Replace it
Replace it
The brush motor does not rotate
8.
Flat or worn out battery
9.
Fuse if broken (BASE VERSION)
10.
Switch is broken (BASE VERSION)
11.
Electric remote switch is broken
12.
Control board is broken Versions TRAC
and ECO
13.
Amperometric protection for over-
absorption of the motor
ON THE DISPLAY IT WILL
APPEAR THE INDICATION “
14.
Fuse broken ( TRAC and ECO version)
15.
Carbons worn out
16.
Faulty motor
Recharge it
Replace it
Replace it
Replace it
Replace it
Stop the machine and start it turning the key
in the control board. Check out the reason of
over-absorption (threads or any other material
which might get tangled with the brush; the
brush is not suitable for the type of floor)
Replace it
Replace them
Replace it
The brush release function does not work
VERSIONS: TRAC and ECO
17.
30A Fuse (POS. 6 OF THE FUSE-
HOLDER) for protection of brush
release is broken
18.
Release remote switch is broken
19.
Control board is broken
Replace it
Replace it
Replace it
The drive does not work
VERSIONS: TRAC and ECO
20.
Brake is engaged
21.
Flat or worn out battery
22.
Key disconnected
23.
30A Fuse (POS. 4 OF THE FUSE-
HOLDER). Traction fuse is faulty
24.
5A protection traction fuse (PSO. 5 OF
THE FUSE-HOLDER) is broken
25.
Motorreducer is faulty
26.
Motor carbons are worn out
27.
Electronic control board is broken
28.
Microswitch in the control panel is
broken
29.
Main potentiometer is faulty
30.
Potentiometer on control panel (V-MAX)
is faulty
Disengage it
Recharge it
Insert it
Replace it
Replace it
Replace it
Replace them
Replace it
Replace it
Replace it
Replace it
The red warning light on the control board card
indicating -when switched off- the correct
functioning of the drive electric control is blinking
VERSIONS: TRAC and ECO
31.
Diagnosis for led flashings
-
SWITCHED OFF: NO ERRORS, NORMAL WORKING CONDITIONS
- 1 FLASHING: forward speed microswitch
engaged when starting up the machine
- Pull the drive control switch in O position
- Check that the switch is correctly placed into
O position
- Check the microswitch on the drive control
2 FLASHINGS: reverse speed microswitch
engaged when starting up the machine
- 3 FLASHINGS: the potentiometer signal
is
off
Check the cables of the potentiometer
- 4 FLASHINGS: the
potentiometer is not
working
- Pull the drive control switch in O position.
- Check that the switch is correctly placed into
O position
- Check the microswitch on the drive control
- 5 FLASHINGS:
thermal protection
Wait for some minutes before starting and
checking the absorptions of the motor
- 6 FLASHINGS:
Faulty
power component
on the starting card
Replace the service switch
- 7 FLASHINGS: overcurrent
Cables from the battery to the service switch
are loose, oxidized or not properly connected.
Check the cables.