This alarm is issued if the servo ready signal (VRDY) of a servo amplifier
The servo amplifier or the axis control cards on the Power Mate may be
MCON: From the CNC to the servo amplifier
(Turn MCC on to request the activation of the
VRDY: From the servo amplifier to
(Notifies that the servo is ready)
The exchange of this information is performed via the FSSB (optical
This alarm is issued if VRDY remains on when the Power Mate turns
MCON off or if VRDY turns on before the Power Mate turns MCON on.
The servo amplifier may be defective. Replace the servo amplifier.
If replacing the servo amplifier does not solve the problem, replace the
axis control cards. (See Subsec. 2.3.2.)
(V READY ON)
Causes and actions
D Replacing the servo
D Replacing the axis