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FANUC Alarm PRIO-284 — FL-net Token Interval Error

FANUC PRIO-284 (“FL-net Token Interval Error”): A time-out occurred in transmission from my node. First check: Increase the value of the token monitoring time on the setting screen or decrease the amount of data to be transmitted from my node so that no time-out occurs in transmission from my node.

Updated 2026-09-17 · LogrobotLM reference

Description

A time-out occurred in transmission from my node.

Remedy

Increase the value of the token monitoring time on the setting screen or decrease the amount of data to be transmitted from my node so that no time-out occurs in transmission from my node. Alternatively, another device may be causing a slow response on the network. Check whether my node is affected by such a device.

Related codes

PRIO-282FL-net PCB AbnormalPRIO-283FL-net IP Address IncorrectPRIO-285FL-net Init ErrorPRIO-286FL-net Wait Frame Status

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. How this reference is built →