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FANUC Alarm MOTN-148 — WARN Can't move concurrently

Manufacturer wording — WARN Can't move concurrently (G:%d^2)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC MOTN-148 (“WARN Can't move concurrently”): Two motion groups cannot synchronize with each other due to replanning of one group. First check: If slow down is not acceptable, re-teach the path.

Updated 2026-09-17 · LogrobotLM reference

Description

Two motion groups cannot synchronize with each other due to replanning of one group. This will slow down on both groups.

Remedy

If slow down is not acceptable, re-teach the path.

Related codes

MOTN-146STOP INTR can't replan major axisMOTN-147WARN L->J replan joint slowdownMOTN-149STOP CF:rotspeedlim exceeded line:…MOTN-150PM: XYZ data error (L:…)

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 →