[Clyde_06]

so programming in G code on a Fanuc Oi-mc control, how do i loop a line. it is not recognizing the "L" in the block.

[viorel26]

More details, what function you use?

[guhl]

on my 0-T I faced with the same problem
if there are must be three digits after L (defined by parameter), and for instance, you want to repeat your subprogram 3 times, you have to input L003, other words, you have to enter insignificant zeros
not L3, but L003