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FANUC Alarm PRIO-610 — PNIO(C) open error …

Manufacturer wording — PNIO(C) open error %04x
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PRIO-610 (“PNIO(C) open error …”): Failed to start PROFINET I/O Device function. First check: The value in the error message is error code from CP1616.

Updated 2026-09-17 · LogrobotLM reference

Description

Failed to start PROFINET I/O Device function.

Remedy

The value in the error message is error code from CP1616. The value might be one of the following:

Related codes

PRIO-607PNIO(D) offline indication …PRIO-608PNIO(D) mismatch slot … …PRIO-611PNIO(C) alarm indication …PRIO-612PNIO(C) offline indication

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 →