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FANUC Alarm DNET-091 — WARN Input size error

FANUC DNET-091 (“WARN Input size error”): The number of inputs specified in the device definition for this device does not match the number expected by the scanner when it communicates with the device. First check: Delete the device, correct the device definition, then re-add the device to the device list.

Updated 2026-09-17 · LogrobotLM reference

Description

The number of inputs specified in the device definition for this device does not match the number expected by the scanner when it communicates with the device.

Remedy

Delete the device, correct the device definition, then re-add the device to the device list.

Related codes

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 →