Fanuc Alarm 5122: ILLEGAL COMMAND IN SPIRAL

Fanuc Alarm 5122: ILLEGAL COMMAND IN SPIRAL

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

Fanuc Alarm Description

A spiral interpolation or conical interpolation command has an error. Specifically, this error is caused by one of the following;1) L = 0 is specified.;2) Q = 0 is specified.;3) R/, R/, C is specified.;4) Zero is specified as height increment.;5) Three or more axes are specified as the height axes.;6) A height increment is specified when there are two height axes.;7) Conical interpolation is specified when the helical interpolation function is not selected.;8) Q 0 is specified when radius difference 0.;9) Q 0 is specified when radius difference 0.;10) A height increment is specified when no height axis is specified.


Have you faced Fanuc Alarm 5122 ILLEGAL COMMAND IN SPIRAL 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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