Fanuc

G81 was instructed without performing reference position return after power on or emergency stop. (hobbing machine) Perform reference position return.

A command not to be instructed during synchronization by G81 was instructed. (hobbing machine) 1) A C axis command by G00, G27, G28, G29, G30, etc. was instructed. 2) Inch/Metric switching by G20, G21 was instructed.

G83 was instructed before canceled by G82 after compensating for the C axis servo lag quantity by G83.

G83 (C axis servo lag quantity offset) was instructed though synchronization by G81 has not been instructed. Correct the program.

G81 block format error 1) T (number of teeth) has not been instructed. 2) Data outside the command range was instructed by either T, L, Q or P. 3) An overflow occurred in synchronization coefficient calculation. Modify the program.

Remote buffer connection alarm has generated. Confirm the number of cables, parameters and I/O device.

The number of controlled axes set by the parameter 7510 exceeds the maximum number. Modify the parameter setting value.

G05 was commanded in the G41/G42 mode. Correct the program.

Check sum error. Modify the program.

Any of the following G codes which cannot be specified in the cylindrical interpolation mode was specified. 1) G codes for positioning: G28, G76, G81 -G89, including the codes specifying the rapid traverse cycle. 2) G codes for setting a coordinate system: G50 G52. 3) G code for selecting coordinate system: G53 G54 G59. Modify the program.