What does FANUC alarm GUID-253 mean?

FANUC GUID-253 (“WARN Invalid system variable.”): Invalid system variable. Cannot access to the specified system variable name.

FANUC Alarm GUID-253 — WARN Invalid system variable.

FANUC GUID-253 (“WARN Invalid system variable.”): Invalid system variable. First check: Check the spelling of the system variable.

Updated 2026-08-29 · LogrobotLM reference

Description

Invalid system variable. Cannot access to the specified system variable name.

Remedy · Remède

Check the spelling of the system variable.

Frequently asked · Questions fréquentes

What does FANUC alarm GUID-253 mean?: FANUC GUID-253 (“WARN Invalid system variable.”): Invalid system variable. Cannot access to the specified system variable name.
How do you troubleshoot FANUC alarm GUID-253?: Check the spelling of the system variable.

Related codes / Codes liés

GUID-251WARN Invalid data range.GUID-252WARN Invalid I/O Port setting.GUID-254WARN Invalid torque setup.GUID-300WARN No contact with the chuck.

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 →