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FANUC Alarm SPOT-301 — Weld enabled during spot sim

FANUC SPOT-301 (“Weld enabled during spot sim”): This is a warning to inform you that weld enable mode has been activated while weld simulate mode is active. First check: Set weld mode to disable, and re-enable weld simulate if you still want to use weld simulate; otherwise no action is needed.

Updated 2026-09-17 · LogrobotLM reference

Description

This is a warning to inform you that weld enable mode has been activated while weld simulate mode is active. Weld simulate is only available when weld mode is disabled. Therefore, weld simulate will also be disabled.

Remedy

Set weld mode to disable, and re-enable weld simulate if you still want to use weld simulate; otherwise no action is needed.

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 →