LogrobotLM

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FANUC Alarm SVGN-142 — Illegal decel option.

FANUC SVGN-142 (“Illegal decel option.”): The instruction is not taught. First check: Teach the instruction.

Updated 2026-08-29 · LogrobotLM reference

Description

The instruction is not taught.

Remedy · Remède

Teach the instruction.

Frequently asked · Questions fréquentes

What does FANUC alarm SVGN-142 mean?
FANUC SVGN-142 (“Illegal decel option.”): The instruction is not taught.
How do you troubleshoot FANUC alarm SVGN-142?
Teach the instruction.

Related codes / Codes liés

SVGN-140Uninitialized start distance number.SVGN-141Uninitialized end distance number.SVGN-144Min press speed < 1mm/sec.SVGN-146Joint velocity limit too low.

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 →