LogrobotLM

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FANUC Alarm COPT-003 — WARN 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 2026-09-17 · LogrobotLM reference

Description

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

Remedy

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

Related codes

COPT-001WARN Send_PC errorCOPT-002WARN Add PC Uninit prog or var nameCOPT-004WARN Add PC Var type not supportedCOPT-005WARN Add PC illegal index into buffer

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 →