Fanuc Alarm: 5242 ILLEGAL AXIS NUMBER

Fanuc Alarm 5242 ILLEGAL AXIS NUMBER

Fanus Control Model: 16/18/21, 16i/18i/21i

Alarm Description

The axis number of the synchronous master axis or slave axis is incorrect. (This alarm is issued when flexible synchronization is turned on.) Alternatively, the axis number of the slave axis is smaller than that of the master axis.

Help the CNC Community: How Did You Fix It?

If you have encountered this Fanuc Alarm 5242 ILLEGAL AXIS NUMBER error code before or know a proven troubleshooting step to resolve it, please share your solution in the comments below

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