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 PRIO-100 — STOP Model B comm fault %srack:%d slot:%d

FANUC PRIO-100 (“STOP Model B comm fault %srack:%d slot:%d”): Communication between the Model B interface unit and DI/DO units, or between DI/DO units, is lost. First check: Check the power and cabling from Model B interface unit and DI/DO unit, or between DI/DO units.

Updated 2026-08-29 · LogrobotLM reference

Description

Communication between the Model B interface unit and DI/DO units, or between DI/DO units, is lost.

Remedy · Remède

Check the power and cabling from Model B interface unit and DI/DO unit, or between DI/DO units.

Frequently asked · Questions fréquentes

What does FANUC alarm PRIO-100 mean?
FANUC PRIO-100 (“STOP Model B comm fault %srack:%d slot:%d”): Communication between the Model B interface unit and DI/DO units, or between DI/DO units, is lost.
How do you troubleshoot FANUC alarm PRIO-100?
Check the power and cabling from Model B interface unit and DI/DO unit, or between DI/DO units.

Related codes / Codes liés

PRIO-096SNPX Connection is full<%s>PRIO-097SNPX time out<%s>PRIO-102WARN Cycle power to restart PLC I/OPRIO-104STOP Device is off-line

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 →