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FANUC Alarm MHND-247ABORT Parm %s is not between 1-2

FANUC MHND-247 (“ABORT Parm %s is not between 1-2”): Parameter passed to MH macro is not between 1 and 2. First check: Change parameter to an integer between 1 and 2

Updated 2026-08-29 · LogrobotLM reference

Description

Parameter passed to MH macro is not between 1 and 2. The valve referenced must be a vacuum valve.

Remedy · Remède

Change parameter to an integer between 1 and 2

Frequently asked · Questions fréquentes

What does FANUC alarm MHND-247 mean?
FANUC MHND-247 (“ABORT Parm %s is not between 1-2”): Parameter passed to MH macro is not between 1 and 2. The valve referenced must be a vacuum valve.
How do you troubleshoot FANUC alarm MHND-247?
Change parameter to an integer between 1 and 2

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 →