What does FANUC alarm GUID-251 mean?

FANUC GUID-251 (“WARN Invalid data range.”): Invalid data range. The specified data range is invalid.

FANUC Alarm GUID-251 — WARN Invalid data range.

FANUC GUID-251 (“WARN Invalid data range.”): Invalid data range. First check: Please check the max_value and min_value in under the setup.

Updated 2026-08-29 · LogrobotLM reference

Description

Invalid data range. The specified data range is invalid.

Remedy · Remède

Please check the max_value and min_value in under the setup.

Frequently asked · Questions fréquentes

What does FANUC alarm GUID-251 mean?: FANUC GUID-251 (“WARN Invalid data range.”): Invalid data range. The specified data range is invalid.
How do you troubleshoot FANUC alarm GUID-251?: Please check the max_value and min_value in under the setup.

Related codes / Codes liés

GUID-232STOP Collision, Axis %d^3 (G:$d^2)GUID-250WARN Software loading error.GUID-252WARN Invalid I/O Port setting.GUID-253WARN Invalid system variable.

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 →