FANUC Alarm MOTN-354 — ARC Internal Error
Manufacturer wording — ARC Internal Error (G:%d^2)
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC MOTN-354 (“ARC Internal Error”): Internal system error. First check: Refer to the Remedy of MOTN-000.
Updated 2026-09-17 · LogrobotLM reference
Description
Internal system error. This class of error should not be encountered during normal operation.
Remedy
Refer to the Remedy of MOTN-000.
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 →