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 MOTN-158 — PM: Original path invalid

FANUC MOTN-158 (“PM: Original path invalid”): The original path is invalid. First check: Set the original path resume function to TRUE.

Updated 2026-08-29 · LogrobotLM reference

Description

The original path is invalid.

Remedy · Remède

Set the original path resume function to TRUE.

Frequently asked · Questions fréquentes

What does FANUC alarm MOTN-158 mean?
FANUC MOTN-158 (“PM: Original path invalid”): The original path is invalid.
How do you troubleshoot FANUC alarm MOTN-158?
Set the original path resume function to TRUE.

Related codes / Codes liés

MOTN-156PM: Config changed(L:%d)MOTN-157PM: Internal error(%d)MOTN-159PM: Joint data error (L:%d)MOTN-161WARN (%s^4 L:%d^5) Can't look ahead

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 →