Fanuc Alarm 4511: ILLEGAL COMMAND IN CIRCLE-PUNCH

Fanuc Alarm 4511: ILLEGAL COMMAND IN CIRCLE-PUNCH

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

Fanuc Alarm Description

In a circular punching (G46, G47) command, the same position was specified for both start and end points of the arc, radius (R) of the arc was set to zero, or the pitch (Q) was set to a value exceeding the arc length. Alternatively, R or Q was not specified.


Have you faced Fanuc Alarm 4511 ILLEGAL COMMAND IN CIRCLE-PUNCH 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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