T120C
65
6 WHAT YOU MUST DO IF...
6.1 FOREWORD
The machine transport, unloading and positioning, an incorrect use or a poor mainten-
ance may result in problems that can be solved according to the following points.
Symbol key:
J
Interventions that the user can do.
F
Interventions that must be made by the skilled technical staff of the (inner or outer)
service.
6.1.1 The spindle overload cutout does not reset
CAUSE REMEDY
Check the power supply Check that the power supply mains to which
the machine is connected supplies current
J
One of the protection switches of the trans-
former has intervened
Reset it J
You try to connect it with the star/delta
starter not on 0
Rotate the star/delta starter on 0 J
Pressed emergency push button Rotate the emergency push button to reset it J
Overload Wait 10-30 seconds before resetting it J
Overload cutout faulty Replace it J
6.1.2 The spindle motor rotates always braked
CAUSE REMEDY
The brake coil is faulty Replace it F
The brake rectifier is faulty Replace it F
6