FANUC Alarm PRIO-291 — FL-net Node … Leave network
Manufacturer wording — FL-net Node %d Leave network
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC PRIO-291 (“FL-net Node … Leave network”): The node with the node number displayed in the message was disconnected from the network. First check: Check the node which was disconnected from the network by confirming the device settings and cable connection.
Updated 2026-09-17 · LogrobotLM reference
Description
The node with the node number displayed in the message was disconnected from the network.
Remedy
Check the node which was disconnected from the network by confirming the device settings and cable connection.
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 →