4503 ILLEGAL COMMAND IN LINE AT ANGLE. . . A06B-0113-B0XX A06B-0113-B1XX A06B-0115-B103-BETA 0. . to 5 p. . . FANUC Robotics America, Inc. Illegal data (a value below 0 etc) had been established in parameter No. 7. This alarm is also generated if the F code instructed for the S code is set extremely small in a rigid tapping instruction as the tool cannot cut at the programmed lead. .