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FANUC Alarm COPT-003WARN Add PC Variable not found

FANUC COPT-003 (“WARN Add PC Variable not found”): The variable requested in the ADD Byname or Send SysVar routines does not exist. First check: Check program and variable name spellings.

Updated 2026-08-29 · LogrobotLM reference

Description

The variable requested in the ADD Byname or Send SysVar routines does not exist.

Remedy · Remède

Check program and variable name spellings. Check variable data type. Only integer, real and string data is supported.

Frequently asked · Questions fréquentes

What does FANUC alarm COPT-003 mean?
FANUC COPT-003 (“WARN Add PC Variable not found”): The variable requested in the ADD Byname or Send SysVar routines does not exist.
How do you troubleshoot FANUC alarm COPT-003?
Check program and variable name spellings. Check variable data type. Only integer, real and string data is supported.

Related codes / Codes liés

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 →