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 SPOT-351 — WARN IWC driver not running

FANUC SPOT-351 (“WARN IWC driver not running”): IWC driver not running The IWC driver is waiting for the PC/104 motherboard to complete its reset cycle. First check: This is a system programming error.

Updated 2026-09-17 · LogrobotLM reference

Description

IWC driver not running The IWC driver is waiting for the PC/104 motherboard to complete its reset cycle.

Remedy

This is a system programming error.

Related codes

SPOT-327No Recovery Option SelectedSPOT-350WARN IWC board not foundSPOT-352WARN Invalid IWC indexSPOT-353WARN IWC message in progress

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 →