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FANUC Alarm ROUT-025 — ABORT Illegal semaphore number

FANUC ROUT-025 (“ABORT Illegal semaphore number”): Incorrect number is specified for semaphore id. First check: Specify a number between 1 and 32.

Updated 2026-09-17 · LogrobotLM reference

Description

Incorrect number is specified for semaphore id.

Remedy

Specify a number between 1 and 32.

Related codes

ROUT-023PAUSE Bad index in SUBSTRROUT-024PAUSE SUBSTR length less than 0ROUT-026WARN Illegal group numberROUT-027WARN String size not big enough

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 →