Originally Posted by
Chris D
Regarding "lost parameters" on a Fanuc control, there are three ways I know they "go away":
1) Operator started playing where he/she shouldn't have been.
2) Fanuc service guy had to repair something, sometimes parameters get deleted depending on what service was performed.
3) Batteries are dead and someone shut off the machine OR changed batteries while power was off on the machine.
Too late now, however, be mindful that parameters are often like the "Magic smoke" in electrical devices, once you let them out, you can't fetch them and stuff them back in from thin air - Make backups.
Chris D