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 SYST-258 — Operator panel hold

FANUC SYST-258 (“Operator panel hold”): This operation requires that the HOLD/RUN switch on the Panel is set to RUN. First check: Check the status of the HOLD/RUN switch on the Panel.

Updated 2026-09-17 · LogrobotLM reference

Description

This operation requires that the HOLD/RUN switch on the Panel is set to RUN.

Remedy

Check the status of the HOLD/RUN switch on the Panel.

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 →