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FANUC Alarm MOTN-128 — STOP Group mtn not supported(G:%d^2)

FANUC MOTN-128 (“STOP Group mtn not supported(G:%d^2)”): Group motion not supported First check: Perform a cold start: 1.

Updated 2026-08-29 · LogrobotLM reference

Description

Group motion not supported

Remedy · Remède

Perform a cold start: 1. Turn off the robot. 2. On the teach pendant, press and hold the SHIFT and RESET keys. 3. While still pressing the SHIFT and RESET keys, turn on the robot. If the error is not cleared, document the events that led to the error and call your FANUC Robotics technical representative.

Frequently asked · Questions fréquentes

What does FANUC alarm MOTN-128 mean?
FANUC MOTN-128 (“STOP Group mtn not supported(G:%d^2)”): Group motion not supported
How do you troubleshoot FANUC alarm MOTN-128?
Perform a cold start: 1. Turn off the robot. 2. On the teach pendant, press and hold the SHIFT and RESET keys. 3. While still pressing the SHIFT and RESET keys, turn on the robot. If the error is not cleared, document the events that led to the error and call your FANUC Robotics technical representative.

Related codes / Codes liés

MOTN-126STOP Can't init CH KPT (G:%d^2)MOTN-127STOP Can't detatch CH PKT (G:%d^2)MOTN-129STOP Local cond ptr conflict(G:%d^2)MOTN-130STOP Non-empty local cond list(G:%d^2)

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 →