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FANUC Alarm ARC-028 — STOPL Current AO is not scaled

Manufacturer wording — STOPL Current AO is not scaled (%s ^ 4, %d^5)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC ARC-028 (“STOPL Current AO is not scaled”): La sortie analogique courant de soudure n ' est pas correctement graduée. First check: Ajustez la démultiplication sortie courant dans l’écran SETUP Equipement de Soudure.

Updated 2026-10-22 · LogrobotLM reference

Related codes

ARC-026WARN Cannot scale AIO while weldingARC-027STOPL Voltage AO is not scaledARC-029STOPL Wire Feed AO is not scaledARC-030WARN Wire stick is still detected

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 →