CNC Repair Tip #2: Fanuc Alarm 028 (Illegal Plane Select) on Fanuc Control 18iTB
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Alarm 028 (Illegal Plane Select) occurred on a MoriSeiki SL-400BMC lathe (with live-tooling) during a G83 drilling canned cycle. The program would run normally until the G83 line was executed.
The 5100 series parameters pertaining to canned cycles were checked and found to be proper.
The cause [...]