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FANUC Alarm PRIO-174 — WARN CNET Connection Lost

FANUC PRIO-174 (“WARN CNET Connection Lost”): The connection to the remote device is lost. First check: Check network connections.

Updated 2026-09-17 · LogrobotLM reference

Description

The connection to the remote device is lost.

Remedy

Check network connections. Check to see that the remote device is online. Check the status of the remote device.

Related codes

PRIO-172WARN CNET Target App Out of Conn.PRIO-173WARN CNET Needs Network Config.PRIO-175WARN CNET Bad Device StatePRIO-176WARN CNET Connection Request Failed

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 →