LogrobotLM

LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free →

FANUC Alarm ARC-167 — SYSTEM I/O asginment overlap(E:…)

Manufacturer wording — SYSTEM I/O asginment overlap(%d)(E:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC ARC-167 (“SYSTEM I/O asginment overlap(E:…)”): I/O space for RoboWeld is already in use. First check: Confirm another I/O device and $IO_START in $RBWLD.

Updated 2026-09-17 · LogrobotLM reference

Description

I/O space for RoboWeld is already in use.

Remedy

Confirm another I/O device and $IO_START in $RBWLD.

Related codes

ARC-165STOP EQ is detached(E:…)ARC-166STOP Comm. stopped in weld(E:…)ARC-168SYSTEM I/O error(…, E:…)ARC-169STOP Invalid wire op.(E:…)

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 →