FANUC Alarm SPOT-221 — WARN Minor alarm detected …-both guns

Manufacturer wording — WARN Minor alarm detected %s-both guns
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC SPOT-221 (“WARN Minor alarm detected …-both guns”): A Minor Alarm was received. First check: Check the weld controller for the reason for this alarm.

Updated 2026-09-17 · LogrobotLM reference

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 →