LogrobotLM

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FANUC Alarm ARC-017 — WARN Arc Start was disabled

Manufacturer wording — WARN Arc Start was disabled (%s^4,%d^5)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC ARC-017 (“WARN Arc Start was disabled”): An Arc Start instruction was executed with welding disabled. First check: Check if weld controler is functioning correctly, or powered on.

Updated 2026-09-17 · LogrobotLM reference

Description

An Arc Start instruction was executed with welding disabled.

Remedy

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

Related codes

ARC-015WARN Press shift with this keyARC-016STOPL Weld by Shift FWD is disabledARC-018STOPL Lost arc detectARC-019STOPL Can't read arc detect input

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 →