FANUC Alarm LANG-018 — WARN Group mask value is incorrect
FANUC LANG-018 (“WARN Group mask value is incorrect”): When printing the program, there was an illegal position that did not match the group mask of the program. First check: Reteach the position data so that the group number matches the group mask of the program.
Updated 2026-09-17 · LogrobotLM reference
Description
When printing the program, there was an illegal position that did not match the group mask of the program.
Remedy
Reteach the position data so that the group number matches the group mask of the program.
Related codes
Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →