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-177 — Failed to end sync motion

FANUC MOTN-177 (“Failed to end sync motion”): The setup or group mask in program might be incorrect, or the robot is still moving. First check: Confirm that the setup data and group mask are correct in the program.

Updated 2026-08-29 · LogrobotLM reference

Description

The setup or group mask in program might be incorrect, or the robot is still moving.

Remedy · Remède

Confirm that the setup data and group mask are correct in the program.

Frequently asked · Questions fréquentes

What does FANUC alarm MOTN-177 mean?
FANUC MOTN-177 (“Failed to end sync motion”): The setup or group mask in program might be incorrect, or the robot is still moving.
How do you troubleshoot FANUC alarm MOTN-177?
Confirm that the setup data and group mask are correct in the program.

Related codes / Codes liés

MOTN-175Failed to be MASTERMOTN-176Failed to be SLAVEMOTN-178Link robot is HELDMOTN-179Robot link internal error

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 →