Corghi Pro 750 Manuel D'utilisation page 132

rectly centred; Better results can be achieved by centring the wheel using the securing holes.
Bear in mind that any re-centring error made when the wheel is mounted on the car can be re-
moved only removed with an "on-the-vehicle balancing" of the wheel, using an on-the-vehicle
wheel balancer to complement the work of the wheel balancer.
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.
No power at the socket.
Check the mains voltage is present.
➥
Check the electrical power circuit in the workshop.
➥
The machine plug is defective.
Check that the plug is undamaged.
➥
One of the FU1-FU2 fuses of the rear electrical panel has blown
Replace the blown fuse.
➥
The diameters and width values measured with the automatic
measuring devices do not match the rated values of the rims.
The sensors have not been positioned correctly during measurement.
Bring the sensors to the position shown in the manual and follow the instructions in the
➥
WHEEL DATA ENTRY section.
The external mechanical sensor has not been calibrated.
Carry out the sensor calibration procedure. See warning instructions at the end of the EX-
➥
TERNAL MECHANICAL SENSOR CALIBRATION section.
The automatic measuring devices are not working
The sensor was not in the rest position at switch-on (A 10) and the
to enter the wheel geometric data with the keypad, disabling control of the automatic sensor.
Return the sensors to the correct position.
➥
Pressing the START key the wheel does not spin
For machines with guard, check that it is not raised (the message "A Cr" appears).
Lower the wheel guard.
➥
For machines without guard, contact technical assistance.
The wheel balancer provides unsteady unbalance values
The machine was jolted during the spin.
Repeat the spin, taking care not to disturb the machine while measuring is in progress.
➥
The machine does not firmly rest on the floor.
Make sure that the floor support is firm
➥
132
TROUBLESHOOTING
The machine does not switch on
(the displays remain switched off)
(the machine does not start)
key has been pressed
Operator's manual Service Pro 750