FANUC Alarm MOTN-307 — STOP Mismatch MMR

Manufacturer wording — STOP Mismatch MMR (G:%d^2)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC MOTN-307 (“STOP Mismatch MMR”): Internal system error. First check: Abort program and rerun

Updated 2026-09-17 · LogrobotLM reference

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 →