FANUC Alarm COPT-027 — WARN Reg %s could not be set

FANUC COPT-027 (“WARN Reg %s could not be set”): Register operation failed First check: Check if the register is defined and if it has the right value.

Updated 2026-08-29 · LogrobotLM reference

Description

Remedy · Remède

Check if the register is defined and if it has the right value. Must ABORT ALL and retry

Frequently asked · Questions fréquentes

What does FANUC alarm COPT-027 mean?: FANUC COPT-027 (“WARN Reg %s could not be set”): Register operation failed
How do you troubleshoot FANUC alarm COPT-027?: Check if the register is defined and if it has the right value. Must ABORT ALL and retry

Related codes / Codes liés

COPT-025WARN Received answer for %s COPT-026WARN Wait timer cannot be set COPT-028WARN Register %s not defined COPT-029WARN Macro Table too small for send option

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →