Corghi EM 7240 Manual De Uso página 99

Pressing the START key and the button
(only the START key if the guard is installed)
the wheel fails to spin (the machine does not start)
For machines with guard, check that it is not raised (the message "A Cr" appears).
Lower the wheel guard.
➥
For machines without guard, check that both the START key as well as the button on the
side of the machine have been pressed.
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
➥
The wheel is not locked correctly.
➥ Tighten the securing ring nut correctly.
Several spins are to be performed to balance the wheel
The machine was jolted during the spin.
Repeat the spin and take 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.
➥
The wheel is not locked correctly.
➥ Tighten the securing ring nut correctly.
The machine has not been calibrated correctly.
➥ Carry out the sensitivity calibration procedure.
The entered geometric data are not correct.
Check that the data corresponds to the dimensions of the wheel and correct, if
➥
necessary.
Carry out the external sensor calibration procedure (width).
➥
WARNING
The "Spare parts" handbook does not authorise the user to carry out work on the ma-
chine with the exception of those operations explicitly described in the User Manual.
It only enables the user to provide the technical assistance service with precise infor-
mation, to minimise delays.
EM 7240 Operator's manual
UK
99