FANUC Alarm PRIO-617 — PNIO(D) mod plug failed … …
Manufacturer wording — PNIO(D) mod plug failed %x %x
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC PRIO-617 (“PNIO(D) mod plug failed … …”): I/O Device function failed because the specified module is wrong. First check: Check the module specified by the two numbers included in the error message.
Updated 2026-09-17 · LogrobotLM reference
Description
I/O Device function failed because the specified module is wrong.
Remedy
Check the module specified by the two numbers included in the error message. The first number is the slot number, the second is the subslot number.
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 →