Fanuc Alarm 5242: ILLEGAL AXIS NUMBER

Fanuc Alarm 5242: ILLEGAL AXIS NUMBER

Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series

Fanuc 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.


Have you faced Fanuc Alarm 5242 ILLEGAL AXIS NUMBER on your machine? Share your experience or troubleshooting tips in the comments below to help other CNC operators and programmers clear this error faster!

 

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