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 SRVO-260 — SERVO Chain 1 (NTED) abnormal

FANUC SRVO-260 (“SERVO Chain 1 (NTED) abnormal”): A Single chain 2 (0V) failure occurred when the Non Teacher Enabling Device was released. First check: 1. Repair the chain 2 (0V) circuit on the Non Teacher Enabling Device hardware.

Updated 2026-08-29 · LogrobotLM reference

Description

A Single chain 2 (0V) failure occurred when the Non Teacher Enabling Device was released.

Remedy · Remède

1. Repair the chain 2 (0V) circuit on the Non Teacher Enabling Device hardware. 2. Set the CHAIN FAILURE detection item to TRUE on the SYSTEM/CONFIG screen and press the RESET button on the teach pendant.

Frequently asked · Questions fréquentes

What does FANUC alarm SRVO-260 mean?
FANUC SRVO-260 (“SERVO Chain 1 (NTED) abnormal”): A Single chain 2 (0V) failure occurred when the Non Teacher Enabling Device was released.
How do you troubleshoot FANUC alarm SRVO-260?
1. Repair the chain 2 (0V) circuit on the Non Teacher Enabling Device hardware. 2. Set the CHAIN FAILURE detection item to TRUE on the SYSTEM/CONFIG screen and press the RESET button on the teach pendant.

Related codes / Codes liés

SRVO-255E-STOP circuit abnormal (KM2)SRVO-256MCC control circuit abnormal (AMP)SRVO-261SERVO Chain 2 (NTED) abnormalSRVO-262SERVO Chain 1 (SVDISC) abnormal

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 →