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FANUC Alarm MOTN-356 — ARC:180 deg SPIN change

Manufacturer wording — ARC:180 deg SPIN change(G:%d^2)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC MOTN-356 (“ARC:180 deg SPIN change”): The change in the SPIN angle from start to destination is 180 deg. First check: Re-teach points such that the change in the SPIN angle from start to destination is less than 180 deg.

Updated 2026-09-17 · LogrobotLM reference

Description

The change in the SPIN angle from start to destination is 180 deg.

Remedy

Re-teach points such that the change in the SPIN angle from start to destination is less than 180 deg.

Related codes

MOTN-354ARC Internal ErrorMOTN-355ARC: No 3 PosesMOTN-357ARC: can't resumeMOTN-358Strt-Prev too close (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 →