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FANUC Alarm PRIO-350 — EtherNet/IP Scanner Error

Manufacturer wording — EtherNet/IP Scanner Error (%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PRIO-350 (“EtherNet/IP Scanner Error”): The EtherNet/IP Scanner Connection running on the robot is enabled and has an error. First check: Alarm severity can be modified using the EtherNet/IP advanced scanner configuration screen on a per connection basis, and last state behavior can be modified with $EIP_CFG.$KEEP_IO_SCN.

Updated 2026-09-17 · LogrobotLM reference

Description

The EtherNet/IP Scanner Connection running on the robot is enabled and has an error. Refer to additional cause code text for further details.

Remedy

Alarm severity can be modified using the EtherNet/IP advanced scanner configuration screen on a per connection basis, and last state behavior can be modified with $EIP_CFG.$KEEP_IO_SCN. Refer to the EtherNet/IP Operator's Manual for more information.

Related codes

PRIO-334CC-LK too many boards foundPRIO-335CC-LK different board typesPRIO-351EtherNet/IP Cannot Open SocketPRIO-352EtherNet/IP Cannot Bind Socket

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 →