LogrobotLM

LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free → · Le diagnostic IA qui lit la sauvegarde de votre robot, sans rien téléverser.

FANUC Alarm MHND-251 — ABORT Parm %s is not between 1-9

FANUC MHND-251 (“ABORT Parm %s is not between 1-9”): Parameter passed to MH macro is not between 1 and 9 First check: Change parameter to an integer between 1 and 9

Updated 2026-08-29 · LogrobotLM reference

Description

Parameter passed to MH macro is not between 1 and 9

Remedy · Remède

Change parameter to an integer between 1 and 9

Frequently asked · Questions fréquentes

What does FANUC alarm MHND-251 mean?
FANUC MHND-251 (“ABORT Parm %s is not between 1-9”): Parameter passed to MH macro is not between 1 and 9
How do you troubleshoot FANUC alarm MHND-251?
Change parameter to an integer between 1 and 9

Related codes / Codes liés

MHND-249WARN Must press SHIFT key tooMHND-250ABORT Parm %s is not an integerMHND-252ABORT Valve %s is not setupMHND-253ABORT No parameters passed to routine

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 →