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FANUC Alarm DNET-105 — WARN Duplicate device error

FANUC DNET-105 (“WARN Duplicate device error”): There was an attempt to add a device to the board's device list that was a duplicate of a device already on the list. First check: If the desired device is already on the network and a second one is not being added, you may ignore the error.

Updated 2026-09-17 · LogrobotLM reference

Description

There was an attempt to add a device to the board's device list that was a duplicate of a device already on the list.

Remedy

If the desired device is already on the network and a second one is not being added, you may ignore the error. Otherwise, change the MAC Id of one of the duplicate devices.

Related codes

DNET-103WARN Invalid board baud rateDNET-104WARN Duplicate MAC Id errorDNET-106WARN Device not found errorDNET-107WARN Bus offline error

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