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FANUC Alarm ARC-022 — WARN Weld AO scaling limit used

Manufacturer wording — WARN Weld AO scaling limit used (%s^4,%d^5)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC ARC-022 (“WARN Weld AO scaling limit used”): The programmed analog output is beyond the equipment limits. First check: Check if weld controler is functioning correctly, or powered on.

Updated 2026-09-17 · LogrobotLM reference

Description

The programmed analog output is beyond the equipment limits.

Remedy

Check if weld controler is functioning correctly, or powered on.

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 →