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

Manufacturer wording — ABORT Parm %s is not between 1-9
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC MHND-251 (“ABORT Parm … 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 2026-09-17 · LogrobotLM reference

Description

Parameter passed to MH macro is not between 1 and 9

Remedy

Change parameter to an integer between 1 and 9

Related codes

MHND-249WARN Must press SHIFT key tooMHND-250ABORT Parm … is not an integerMHND-252ABORT Valve … 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. How this reference is built →