Fanuc Alarm 4502: ILLEGAL COMMAND IN BOLT HOLE
Fanuc Alarm 4502: ILLEGAL COMMAND IN BOLT HOLE
Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series
Fanuc Alarm Description
In a bolt hole circle (G26) command, the radius (I) was set to zero or a negative value, or the number of holes (K) was set to zero. Alternatively, I, J, or K was not specified.
Have you faced Fanuc Alarm 4502 ILLEGAL COMMAND IN BOLT HOLE on your machine? Share your experience or troubleshooting tips in the comments below to help other CNC operators and programmers clear this error faster!
