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FANUC Alarm ISD-011 — WARN Incorrect I/O assignment (ISD…)

Manufacturer wording — WARN Incorrect I/O assignment (ISD%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC ISD-011 (“WARN Incorrect I/O assignment (ISD…)”): The index value or I/O port type is incorrectly assigned. First check: If you want to use this I/O port, set the port index and I/O type to the correct values.

Updated 2026-09-17 · LogrobotLM reference

Description

The index value or I/O port type is incorrectly assigned.

Remedy

If you want to use this I/O port, set the port index and I/O type to the correct values. Verify that a valid value is shown on the I/O menu for this I/O port instead. If you do not want to use this I/O point

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 →