Troubleshooting; Maintenance - Mondolfo Ferro MT 3800 LASER Manual De Uso

TROUBLESHOOTING

Below is a list of faults that may occur and that
the user can solve if the cause is found among
those indicated.
For any other malfunction or fault call in the
technical support centre.
Machine does not switch on
(monitor remains switched off)
No power at the socket.
- Make sure that the mains power is present.
- Make sure that the workshop electrical in-
stallation is working efficiently.
The machine plug is defective.
- Check if the plug is working properly and
replace it if necessary.
One of the FU1-FU2 fuses of the rear electrical
panel has blown.
- Replace the blown fuse.
The monitor has not been switched on (only
after installation).
- Switch on the monitor by pressing the button
located on the front of the monitor.
The monitor's power supply connector
(located on the rear of the monitor) is not
correctly inserted.
- Check for proper insertion of the connector.
The diameters and width values
measured with the automatic measuring
devices do not match the rated values of
the rims
The internal sensor was not positioned cor-
rectly when measuring.
- Bring the internal sensor to the position shown
in the manual and follow the instructions in
the WHEEL DATA ENTRY section.
The external sensor has not been calibrated.
- Perform the sensor calibration procedure.
See warning instructions at the end of the
"CALIBRATION OF THE ULTRASONIC WIDTH
SENSOR" section.
The automatic internal sensor does not
The internal sensor was not in the rest po-
sition when switched on (Warning window
on the video) and the Kis knob or ENTER
button was pressed, disabling control of the
automatic sensors.
- Return the sensors to the correct position.
80
work
START has been pressed and the wheel
fails to spin
(the machine does not start)
The wheel guard is raised (the "A Cr" message
is displayed).
- Lower the guard.
The wheel balancer provides unsteady
unbalance values
The machine was jolted during the spin.
- Repeat the wheel spin while making sure
that nothing affects machine operation while
acquisition is in progress.
The machine does not firmly rest on the floor.
- Make sure that the floor support is firm.
The wheel is not locked correctly.
- Tighten the locking ring nut firmly.
Several spins are to be performed to
balance the wheel
The machine was jolted during the spin.
- Repeat the wheel spin while making sure
that nothing affects machine operation while
acquisition is in progress.
The machine does not firmly rest on the floor.
- Make sure that the floor support is firm.
The wheel is not locked correctly.
- Tighten the locking ring nut firmly.
- Make sure that the accessories used for cent-
ring are suitable and original.
The machine has not been calibrated correctly.
- Perform the sensitivity calibration procedure.
The entered geometric data are not correct.
- Make sure that the entered data correspond
to the wheel dimensions and correct them if
necessary.
- Carry out the external sensor calibration
procedure (width).

MAINTENANCE

WARNING
the manufacturer is not to be held responsible
for any claims deriving from the use of non
original spare parts or accessories.
WARNING
Unplug the machine from the power supply
and make sure that all moving parts have been
MT 3800 LASER - Operator's manual