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FANUC Alarm MOTN-403 — Updating Servo

Manufacturer wording — Updating Servo (%s)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC MOTN-403 (“Updating Servo”): Servo system is updating servo parameters to match user-defined HSCD parameters. First check: No action needed.

Updated 2026-09-17 · LogrobotLM reference

Description

Servo system is updating servo parameters to match user-defined HSCD parameters.

Remedy

No action needed. This warning is only a reminder.

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 →