FANUC Alarm SYST-257 — No Ext. Hold Relase input
FANUC SYST-257 (“No Ext. Hold Relase input”): This operation requires the External Hold Release input. First check: Check the status of the External Hold Release input.
Updated 2026-09-17 · LogrobotLM reference
Description
This operation requires the External Hold Release input.
Remedy
Check the status of the External Hold Release input.
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 →